The Gyakusō Conveyor (逆走コンベア), called the Reverse Conveyor Belt in English broadcasts, is a Second Stage obstacle from the first thirteen SASUKE tournaments. It is exactly what its name implies: a conveyor belt with an overhang covering it that a competitor must complete by crawling across. The conveyor belt moves 20km/h in the opposite direction of the competitor. Used exclusively as a time waster, it has only retired four contestants (Atarashii Ichirō & Ueki Shigenori) and was replaced with the Metal Spin in SASUKE 14, which acquired a reputation as a feared obstacle.

It was eventually revived in SASUKE 32, from a 12 year, 19 tournament hiatus since SASUKE 13, after the Backstream and between the Wall Lifting. The name in SASUKE 32 was changed to Reverse Conveyor (リバースコンベア) from the English broadcast. A padding was added behind the conveyor belt when competitors fail at it due to fatigue, which became another way to fail this obstacle. However, the speed of the conveyor belt had been decelerated compared to previous tournaments, perhaps due to the risk of going onto an electric obstacle after being inundated with the water from the Backstream. In SASUKE 33, the speed of the conveyor belt increased to its original speed, thus causing Hioki Masashi and Mori Wataru to time out there and causing trouble for other competitors due to the wet hands and feet from taking on the Backstream. Variants of this obstacle were also used in several Kinniku Banzuke events.

This obstacle was also used as the fourth obstacle in BLUE Stage (Second Stage) on KUNOICHI 9 and KUNOICHI 10, with the exception that the overhang is lower, forcing competitors to lie down and crawl onto the conveyor.


Reverse Conveyor, KUNOICHI 9 Navi

SASUKE 8 Version

In SASUKE 8 the whole course was showered with a typhoon that unleashed a heavy rain. This caused several obstacles to have trouble functioning. The Gyakuso Conveyor was among them. To prevent the dangers of getting electrocuted, the belt was turned off, so it didn't move at all, however the rain that had fallen on the belt while it was not moving had left the belt slippery. This caused some competitors to slip and struggle before finally making it to the Wall Lifting.

Competitors' Success Rate

  • All results based on the TBS broadcast and external information found
SASUKE Clears Attempts Percentage
1 8 8 100%
2 14 14 100%
3 8 8 100%
4 11 12 91.67%
5 1 1 100%
6 5 5 100%
7 5 5 100%
8 5 5 100%
9 6 6 100%
10 4 4 100%
11 9 9 100%
12 10 10 100%
13 8 9 88.89%
32 8 8 100%
33 5 7 71.42%
Total 106 110 96.36%


KUNOICHI Clears Attempts Percentage
9 5 5 100%
10 4 5 80%
Total 9 10 90%


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