From SkatingOnAir: "In the walking state, the rollers are actually in the sole and are prevented from rolling through friction with the undersole/bladder. In the skating state, the bladder drops the rollers so they contact the pavement."
Welcome to the official blog associated with the SkateLog Inline Skating and Quad Roller Skating Forum. The SkateLog Forum is hosted by Jessica Wright and Kathie Fry.