tsukeshime bachi (usually smaller diameter, softer "hou" wood)
nagado bachi (usually larger diameter, harder "kashi" wood)
Ipponzuki: drummers follow the pounder
- pounding at a regular tempo (normal 80bpm, fast 120bpm) with metronome
- mimicking the volunteer
-- slowing / speeding on otsuri
-- slowing / speeding on "1"