The Sankaku Bashi, called as the Prism Tilt on Women of Ninja Warrior was the second obstacle of the First Stage in KUNOICHI 6. The obstacle was almost identical to the Prism See-Saw from SASUKE 13 (which also called as the Prism Tilt on Ninja Warrior), where it consisted of a triangular prism that tilted on an axis in the center as competitors jump onto it. It took out at least four competitor, and was replaced by the deadly Danchigaubou in the next tournament.

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