Genyū Ken (幻幽拳, Phantasm Fist): A flesh ripping technique used by Baiken Kinbu in the second pilot chapter of Hokuto no Ken.
Balcom Taizanji Kenpo style
Yō Gōkin Ki (妖鋼筋鬼, Bewitching Steel Muscle Demon): A muscle hardening style used by Generallisimo Balcom (who was modeled after Baiken) in the anime series in episode 21.
Yōki Genyū Ken(妖鬼幻幽拳, Bewitching Phantasm Fist): A technique used by Balcom against Shin in episode 21 of the TV series. The user's hands undulate until they become a deadly blur. The speed is such that it can create air currents sharp enough to cut flesh.