After hollowing out the bamboo, use this handmade rasp first to shave out the inside. Attaches to accompanying rod, A0058(Please order this rod seperately if you don't have one.).
Interior Rasp C(Gari-bou C), ¥6600
Rasp Rod, ¥1980
Interior Rasp D (Gari-bou D), ¥1980
Ring Auger, ¥2365
Interior Rasp B(Gari-bou B), ¥3850