Kubi Jikken, Samurai Head Viewing Ceremony
Customs and Details Regarding the Samurai's Taking Of Enemy Heads In Battle.
In ancient times, the Japanese expression 'It seems as if you have taken the head of a demon!' was used to show admiration of one’s achievements, just as the warriors of the Warring States period also proclaimed their achievements in battle by raising high the heads of enemies they had defeated on the battlefield.