Fudo ken, Ninjutsu fist
Video of fudo ken fist attack
Video of fudo ken in a Fudo ryu kata
Description of Fudo Ken
While clenching the fingers to form a solid, space-less box one hits with the first knuckles. Attention must be used to straighten the back of the hand in one line with the wrist bones so that the energy from the punch does not dislocate the wrist.
Image of Fudo ken
Video of training for Yoko aruki with Fudo ken