Chaya Karma Pro Park Skates - with grind blocks – Double Threat Skates
Amazon.com : RollerWave Slide Block for Roller Skates - Easy Mounting to Quad Roller Skates for Sliding & Grinding on Rails, Coping, Curbs and More. for Outdoor Skating (Small) : Sports & Outdoors
Karma Grind Block Chaya 2u. » La Tienda de Roller Ourense