Independent Handle for Cupping new-release Flat Strap

Flat Strap

The Multispinner 90mm is an oversized rotating armwrestling handle for advanced cupping

Combined pronation and back pressure

Advanced finger and hand demand

connector size

Independent Handle for Cupping new-release Flat StrapThe Independent Handle for Cupping uses four fully independent 50mm rollers to add individual finger control to wrist flexion training. What It Trains Cupping, finger containment, wrist stability, grip coordination, and hand control. How It Works Each roller rotates separately on bearings, so every finger must maintain its own pressure while the wrist closes. This prevents the hand from behaving like one rigid unit. Key Features Four independent 50mm