Handling & Care of Swords

From the Nippon Bijutsu Token Hozon Kyokai, The Japanese Sword Museum

Precautions to be taken in handling the Nipponto

  1. All swords, whether encased in plain wooden scabbards and hilts(Shirasaya) or formal mountings(Koshirae), need to be kept in their swordbags. The head of the scabbard(Kojiri) must go into the bag first to avoid the possibility an acciddental fall.
  2. To carry a sword, the scabbard(Saya) must be held with one’s right hand. The hilt(Tsuka) must be put up and the blade must hang down. This measure will prevent dangerous acceidents.
  3. Whenever one draws a mounted sword out of its bag or scabbard, make sure the position of the hilt does not go lower then the scabbard.
  4. The registration card should be either be tied to the scabbard or sewed onto the swordbag. The sword owner in Japan has a legal obligation to keep a sword and its registlation card together.

Tools for swordcare

Drawing a blade out of the scabbard

How to draw a sword out of the scabbard and put it back

  1. Whether drawing out a Tachi or Katana, one must hold the cutting edge up and grasp the scabbard from underneath in the left hand in a forward holding position. Then, hold the hilt from above with the right hand.

    Since the scabbard is rather tight fit at the opening where the collar(Habaki) is fit(Koikuchi), the initial pull must be very carefully made so that only the collar’s length gets drawn out. Giving a sudden powerful pull may not only impair the opening of the scabbard but also result in an uncontrollable jerk leading to injury. Holding the blade still, pull it entirely out of the scabbard very slowly making certain the cutting edge never faces down or sideways.
  2. When a blade is placed back in the scabbard,its case must be held by the left hand and the hilt by the right hand as in the pulling-out process. The tip of the sharp edge facing up must first rest gently the opening of the scabbard. Again, holding the blade still, slide the blade along the dich ino the scabbard. When the collar reaches the opening of the case, a firm push is necessary to ensure steady settlement. As before, the cutting edge must not face down or sideways.

Method of maintenance

The major purpose of sword care is to make sure the steel surface does not oxidize or rust. Therefore, it is necessary to throughly remove the stale oil and replace it entirely with new oil. The following describes the tools used and the order of operations of sword care.

(A) Tools
  1. Mekugi-nuki: A tool to remove the bamboo peg(Mekugi) holding the blade in the hilt; usually made of brass or bamboo.
  2. Uchiko: The most finely ground whetstone powder (30-35gram) for cleaning the blade surface. First, wrapped in Japanese hand-made paper called Yoshino-gami, then rewrapped by cotton or silk cloth, it comes through the wrapping materials when patted on the blade surface.
  3. Nuguigami: High quality thick Japanese paper must be throughly wrinkled to soften and remove coarse and dusty elements for wiping the blade surface. There are tow reasons for the wiping function; one for preliminary removal of old oil and the other for removal of the powder. When using flannel, the fabric must be washed, destarched in water, then dried.
  4. Abura: A rust-preventive oil called Choji or clover oil.
  5. Abura-nuguishi: Paper used to spread oil over the blade surface. A piece of wiping paper or flannel will do.
  6. Others: A wooden hammer and benzene, if necessary.

Getting a tang out of the hilt

Uchiko-powdering after deoiling

Wiping Uchiko off

Wiping Uchiko off

B) Method of Sword Care
  1. Lay down the mounted blade and push the peg out in preparation for removing the hilt.
  2. Pull the blade out of the scabbard.
  3. To remove the hilt, hold its end with the left had on the side where the back of the blade is fit, and keep the blade in a slightly angled upright position. The right fist to hit the left wrist lightly a few times. When the tang (Nakago) becomes slightly loosened in the hilt, repeat until the tang comes out of the hilt by itself. When there is enough room to grasp the tang, the blade may be pulled out of the hilt by the right hand.

    Be careful not to hit the left wrist too hard with the right hand as there is a danger that blades with short tang like Tanto might bounce out of the hilt entirely. Therefore, the initial impact must be light, just to check how tightly the tang is fixed in the hilt. Then, the force of subsequent blows must be adjusted accordingly. When the blade is taken out of the hilt, the peg removed from the hilt should be replaced.
  4. If the blade is mounted in a full Koshirae, other attachments such as sword guard (Tsuba) and spacers(Seppa) on both sides of the sword guard in addition to the collar must be replaced. When the collar is fit too tightly to remove, it can be loosened by hitting it with a wooden hammer on the back (Mune) after covering the collar with a cloth for protection.
  5. The wiping process requires two pieces of paper. The initial one removes the old oil and dust, which is called preliminary cleaning. First place the cleaning paper on the back and fold it into halves toward the edge. Then, hold the paper covered blade from above the back so that the thumb and forefinger grip each side of the cutting section from above the paper.

    Hardly any force is needed to wipe the blade upward, one way, starting from the base. When the cleaning paper reaches the point, be particularly careful in wiping lightly. No pressure or friction must be put on the point. When expertise is attained, the wiping action can also be both ways, up and down. Lack of experience could cause the cutting of paper or even fingers and thus it must be strictly avoided.
  6. In case the oil cannot be removed with ease, cotton or gauze soaked in benzene or pure alcohol may be used in the same wiping manner as described above.
  7. The powdering starts from the base toward the tip on the obverse in a light, uniform patting motion to cover the blade surface. Then turn the blade over and start patting from the point downward toward the base.
  8. Then, use the other sheet of paper to wipe the powder off the blade surface in the same manner as described in (5) in this section. If oil remains, some more powdering and wiping is necessary.
  9. When the surface is throughly clean, check for the presence of rust, flaws and other damages. Then, without putting back the hilt, collar and other attachments, the blade alone must be placed back in the scabbard or rest the blade alone on the soft cushion called Katana-makura so that blade surface never touches on the hard items such as table top.

    It should be noted that the two kinds of wiping paper used in this process must not be interchanged and should have distinct purposes-preliminary and final.
  10. The reoiling with a piece of paper, or destarched flannel, folded in size 3cm x 6cm and soaked in fresh oil completes a round of sword care. When the paper is ready, the sword is to be drawn out of the scabbard again. After placing it in the left hand, put the oiling paper on the back to do the same movement as described in the wiping process.

    To make sure the blade surface is throughly covered with oil, repeat the same procedure a few times. Just as the wiping, the handling of the sword as well as the oiling paper must be most carefully done. The paper should contain the right amount of oil so that no excess oil will overflow and harm the scabbard. The oil must be spread thinly and evenly.
  11. It is a good idea to apply oil to the surface of the tang with one’s fingers. However, an excessive amount of oil must be avoided here.
  12. Put the collar back and encase the blade tentatively in the scabbard. Remove the peg from the hilt, draw the blade out of the scabbard, hold it in the right hand in an almost upright position,pick up the hilt with the other hand, and put the tang back in the hilt. Keep holding the blade in the hilt with the left hand and hit the bottom of the hilt lightly with the palm of the right hand so that the tang settles firmly in the hilt. When the tang is fixed in its perfect position, replace the peg.

    Then, pass the blade to the right hand, pick up the scabbard and slide the blade into observing the manner described in Section 2. Needless to say, the other parts like spacers and sword guards of fully mounted swords must also be returned to their respective places before the hilt is put on the tang.
  13. The method of handling and caring for other forms of blade such as spears8Yari) and halberds(Naginata) are the same. Spears must be handled especially carefully, othewise injury may occur. Also the daggers of double-edged tye (ken) are very dangerous.

    Sword care tools must be kept perfectly clean, for dust stuck on the wiping cloth or oiling paper could cause scratches on the steel surface. Protecting these surfaces which have been most finely polished through the grades processes involving more than ten kinds of whetstones of differernt fineness and hardness is critical.
How to preserve the Nipponto

The most important aspects of preserving blades in any form are to protect them from developing rust and scratches.

The precautions requires for keeping the Nipponto in good condition are the following:

  1. Despite regular care and oiling, a blade may develop rust in places. Generally when rusting takes place where tje scabbard touches the blade, it must be taken to and repaired by Saya specialist. Or, when the scabbard is very old, its interior may well be contaminated with rust and dirt, thus causing the steel to rust. In such case, a new scabbard must replace the old one at once.
  2. Since the formal mounting functions as an outfit for dressing up, a blade needs to have a plain wooden scabbard and hilt which would be, as it were, casual wear for a blade. It is much preferred to rest a blade in its casual outfit so that when the blade surface starts to rust the wooden scabbard can readily be cleaned inside by splitting it open into vertical halves, which are simply fastened together with a paster made from cooked rice.

    No chemical substances may be used to fasten the parts of the scabbard and hilt.
  3. If a blade should start to rust, no inexperienced repairs such as rubbing the rust off with a spatula or coin’s edge would improve the condition; rather it is likely to aggravate it and necessitate extra work in smoothing the damaged area. It must be taken to a polishing specialist at once just like a sick person would need to go to see a medical specialist.
  4. Since a blade is particularly vulnerable to rusting soon after polishing, cleaning and oiling should be done preferably every ten days for about six monthes.
  5. Later when the polished balde surface condition is more stable, clean it regularly, at least every six monthes.
  6. In preserving swords, it is improper to keep them in a leaning position because it would cause the oil to go down along the blade surface and make a pool at the point. It is necessary to keep them in a dry place, laid down. It would be ideal to keep them in drawers made of paulownia wood. Use of camhor balls or naphthaline to protect the chest from borers should be avoided. It would cause rust on the steel.
  7. Although dry conditions are preferable for swords, the wooden containers or mountings require due moisture. Therefore, the place for preserving swords must be very carefully selected.

Fixing a tang in the hilt after oiling

Sliding a blade into the scabbard

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