blumpkinのようなどんな単語でも探してください。
 
1.
Manufactured lateral slices in the sole of a shoe which flex open when walking. Usually extant to provide wet-surface traction.
Keen footwear, New Balance footwear, and Vibram FiveFingers all have razor-siping on their soles.
Evan Sharpによって 2008年05月15日(木)

Words related to razor-siping

shoe shoes traction barefoot razor sole vibram whore