Japanese Rollerblades in 1938 (Jul, 1936)
Skates for Rough Surfaces Are Built Like Army Tank
Constructed with several sets of wheels along the lines of an army tank, skates introduced recently in Japan may be used on unusually rough surfaces. The multiple wheel skate tends to level out the rough spots. Braces attached to the leg help to hold the skates on the feet.
Rollerblades with tank treads…
They don’t seem fast, but could be a good (re)make – Popular Mechanics 1936 – Link…….