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The Doorknob Grasper (ドアノブグラスパー) was an obstacle, firstly introduced as the second obstacle in the redesigned Third Stage of SASUKE 25, the tournament after Urushihara Yuuji's kanzenseiha.

Directly following the Roulette Cylinder, the Doorknob Grasper consisted of four doorknobs, protruding from a wall. The competitors must transfer from the cylinder to the first doorknob and so on. Each of the doorknobs would rotate when the competitors grabbed on them, making it difficult to transfer from one doorknob to the other.

Only two competitors (both Americans) have failed at this obstacle: Brian Orosco in SASUKE 25 and Paul Kasemir in SASUKE 26. Then, the obstacle was removed after two tournaments.

American Ninja Warrior Appearances

ANW4 Doorknob Grasper

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.

ANW6 Doorknob Grasper

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 5 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 2 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.

Other Appearances

NWUK Doorknob Grasper

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 5, 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 TBS/NBC broadcast and external information found

SASUKE

SASUKE Clears Attempts Percentage
25 4 5 80%
26 4 5 80%
Total 8 10 80%

American Ninja Warrior

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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