The short answer: a little, on the middle finger, rubbed against the thumb
Giriko is a pine-resin powder that creates the right friction between the glove’s thumb (yugake) and the middle finger that presses it (the ring finger on a four-finger glove). The basics of applying it:
- Apply a tiny amount to the glove’s middle finger (ring finger on a four-finger glove) and rub it against the thumb.
- Take a little at a time and work it in with your fingers or the glove.
- Don’t apply a lot at once — the right amount is everything.
- Too much makes the release sticky and damages the glove; too little lets the fingers slip off the thumb and risks a misfire.
- After use, tidy the glove and store it away from damp.
What giriko is and why it’s needed
As you draw, the string sits on the glove’s thumb. Too slippery or too grippy and the release (hanare) won’t be clean. Giriko — mostly pine resin — applied in a small amount to the middle finger and rubbed against the thumb creates just enough friction so your hold on the string (torikake) stays steady and the release settles (Sambu Kyugu’s giriko product note, in Japanese: put it on the middle finger and rub it with the thumb).
How to apply (step by step)
- Take a tiny amount on a fingertip — err on “too little,” since adding is easy but removing excess is a chore.
- Put it on the middle finger and rub it against the thumb, working it in rather than just laying it on the surface.
- Keep it off the string — giriko is a grip aid between the fingers, not something to rub into the centre-serving.
- Draw a few times and check — add a touch if it slips, wipe some off if it grips too much.
A new or long-unused glove takes time for the giriko to settle; build it up over several shots rather than forcing a large amount in at once.
Judging the right amount
The right amount varies by person, glove, and weather — friction drops on humid days and rises on dry ones. The gauge is whether “the hold doesn’t slip and the release comes out clean.”
Too much
Sticky release (the fingers won’t let go cleanly), the glove leather hardens or is damaged by caked resin, and stickiness and grime build up.
Too little
The fingers slip and the hold won’t keep, and an unstable hold raises the risk of a misfire (the string leaving unintentionally).
Types of giriko
Types differ mainly in grain (fineness) and blend — finer for a smoother feel, coarser for firmer friction, as a general tendency. Which suits you depends on your glove, draw, and preference, so start from what your instructor or seniors use and find what matches your glove. Feel also shifts with season; keep a couple of types on hand.
Caring for the glove
The glove is expensive and long-lived, so mishandling giriko shortens its life. Don’t over-apply (caked resin is the main cause of damage), brush off the excess after practice, store away from damp, and clean the glove regularly.
FAQ
Where do I apply giriko?
A tiny amount on the glove’s middle finger (ring finger on a four-finger glove), rubbed against the thumb. Not on the string.