Here is a piece of equipment that helps you practice like a ninja in the gym. The MoveStrong Salmon Ladder comes with dual height pull-up bars on each side. It lets you practice jumping bar to bar on fixed bars before trying the salmon ladder.
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A rope climb station is also available, so you can use a rope to get down. This video shows what you can do with this tool:
MoveStrong Salmon Ladder for Ninja Warrior Training
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