I often find a ladder-like practice tool as shown in the following figure in many dojos or sport halls in Japan.
What is it called? As a bonus, what is it for?
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Sign up to join this communityI often find a ladder-like practice tool as shown in the following figure in many dojos or sport halls in Japan.
What is it called? As a bonus, what is it for?
I believe these are 肋木 rokuboku "wall bars".
As to what they are for... to climb up and down. More info on Japanese or English Wikipedia.