[ Roller and ice skates; Roller coaster wheels; ] Roller skates; [ Roller skis; Skating boots exclusively for use with attached skating blades; Skating boots with skates attached; Athletic protective elbow pads for skating; Ball bearings for roller skates; Ball bearings for in-line skates; Equipment for skateboard parks for skateboarding, inline skating, and BMX freestyle biking, namely, ramps, rails; Exercise equipment for lateral movement in a skating motion; Foam exercise rollers; ] In-lin...