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Doorknob Grasper (ドアノブグラスパー), called Doorknob Grasp in English broadcasts, was a Third Stage obstacle first introduced in SASUKE 25, replacing Rope Junction from the previous tournament. Directly succeeding Roulette Cylinder, it consisted of four stationary doorknobs, protruding from a wall. The competitors must transfer from the cylinder to the first doorknob, then make it all the way to the fourth doorknob. Each doorknob would have the tendency to rotate when the competitors grabbed on them, making it difficult to transfer from one doorknob to the other.



Hashimoto Kouji attempting Doorknob Grasper in SASUKE 25

Hashimoto Kouji attempting Doorknob Grasper in SASUKE 25, viewed from close range


Only two competitors have failed at this obstacle, Brian Orosco in SASUKE 25 and Paul Kasemir in SASUKE 26, both interestingly being Americans. Possibly due to its high rate, this and Roulette Cylinder were replaced by the returning Arm Bike in SASUKE 27.


Competitors' Success Rate

  • All results based on the TBS broadcast and external information found.
SASUKE Clears Attempts Percentage
25 4 5 80%
26 4 5 80%
Total 8 10 80%


Other Appearances

American Ninja Warrior

American Ninja Warrior 4's Doorknob Grasper in Stage Three

The Doorknob Grasper appeared as the second obstacle in Stage Three from American Ninja Warrior 4 to American Ninja Warrior 7, also as the second obstacle of Stage Three. On American Ninja Warrior 4 and American Ninja Warrior 5, the obstacle had a similar specification from SASUKE version.

American Ninja Warrior 6's Doorknob Grasper in Stage Three

On American Ninja Warrior 6 and American Ninja Warrior 7, the obstacle was modified with five doorknobs, and the doorknobs were positioned in an inverted "V" pattern. The first three doorknobs were being stationary, and the last two doorknobs were prone to spin. Also the gap to cross between each doorknob was 2.5 feet.

Just like in SASUKE, the Doorknob Grasper was directly preceded an obstacle with no rest:

During its overall appearances on American Ninja Warrior, just like in SASUKE, only two competitors have failed at this obstacle (Travis Weinand on American Ninja Warrior 5 and Kawaguchi Tomohiro during USA vs. The World 2).

On American Ninja Warrior 8, both the Psycho Chainsaw and Doorknob Grasper were replaced by the Keylock Hang.


Ninja Warrior UK

Ninja Warrior UK's Doorknob Grasper

On Ninja Warrior UK, the Doorknob Grasper appeared as the fourth obstacle during the finals' Stage 2, with the number of doorknobs was increased to five, but the doorknobs were arranged in a straight line (similar to the obstacle used in SASUKE, and then on American Ninja Warrior 4 and American Ninja Warrior 5).


Competitors' Success Rate

  • All results based on the NBC broadcast and external information found.
ANW Clears Attempts Percentage
ANW4 1 1 100%
ANW5 4 5 80%
ANW6 2 2 100%
ANW7 8 8 100%
USA vs. Japan 8 8 100%
USA vs. The World 7 7 100%
USA vs. The World 2 8 9 88.89%
Total 38 40 95%
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