Yureru Hashi (Balance Bridge)
The Yureru Hashi (Balance Bridge) is a large board that freely rotates along an axis parallel to the course. Along with this, there is an piece along the axis that protrudes perpendicular to the bridge.
The obstacle was reborn as the Balance Bridge in SASUKE/Ninja Warrior #11, the axis was further to the left, the protruding piece went along the whole board, and there was a second protruding piece added perpendicular to the first on the right side halfway across the obstacle.
Competitions in which this obstacle appears:
#01, #02, #03, #04, #05, #06, #07
Balance Bridge (Quarter Bridge) - バランスブリッジ