What is Kaishaku?
1.
In the practice of
Yamamoto Jin'emon was kaishaku for his son after he cut down a man for insulting him
See
2.
A 'second' in ancient Japanese culture. This person would act on behalf of the Shogunate. This would be an executioner who decapitates men after they have performed ritualistic suicide (Seppuko).
An example of this is the character Ogami Itto in the film series 'Lone Wolf and Cub'. He was chief executioner and would behead disgraced samurai with
His sword is a dotanuki, as used by the Shogun's Kaishaku (second). This must be Ogami Itto.
See
3.
The Second Cut. In The Right of
"It Would Be Great If I Had Kaishaku When I Saw The Bouncing Souls Live, They Suck!"