Japanese Rollerblades: Skates for Rough Surfaces Are Built Like Army Tank, 1938

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Constructed with several sets of wheels along the lines of an army tank, skates introduced in Japan may be used on unusually rough surfaces, 1938. The multiple wheel skate tends to level out the rough spots. Braces attached to the leg help to hold the skates on the feet.

Trying out the tractorlike skates. Note the multiple-wheel construction and the heavy braces with which the skates are attached.