Movie S7.

The sSNN-driven walker can generate skating-like or skipping-like locomotion as another athletic adaptation to a slippery ground of μ = 0.15 for x = [0.3, 45]. The walker keeps skipping (until t ∼ 24 [s] in the movie) and quickly backs to the usual walking at the end of slippery ground by reforming the new stable walking gait. We use an sSNN parameter setup different from the other movies.