what are the blocks that help you slide on ledges and rails? people have called them sliders but i cant find them absolutely anywhere : r/Rollerskating
MONTAGE GRIND BLOCK @ChayaSkates SUR LES JUMP 2.0 #ROLLERSKATE #ROLLERGIRL - YouTube
The growing world of Slide Blocks. – Chuffed Skates
Grind Blocks for Roller 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