Pump effect material - The pump effect material is modeled on the working principle of the musculature. It features vertical and horizontal diamond-shaped grooves that knead the muscles. The grooves and holes function like a pump, inhaling and expelling air to increase air flow exchange. Benefit: gentle muscle kneading and improved circulation during use. Adjustable chest strap - The chest strap adjusts in the front and back for a secure, comfortable fit and easy carrying. Benefit: stable support during therapy and everyday handling. Arm lashing strap - The chest strap and the arm lashing strap are designed separately. By adjusting the three lashing straps, a displaced shoulder joint can be reset. Benefit: enables controlled alignment and passive joint positioning as part of rehabilitation. Detachable shoulder bag - Lightweight shoulder bag made of sponge material that can additionally support the shoulder joint in the abduction position. Detachable for convenience when restoring or performing exercises. Benefit: extra support for abduction and versatile use. Use scenarios - Post-injury or post-surgery shoulder rehabilitation at home: use the adjustable straps for a secure fit, and rely on the pump material for gentle muscle kneading and improved air flow during therapy. The detachable bag provides added support in the abduction position when needed. - Physical therapy sessions: the separately designed straps allow precise alignment and repositioning of the shoulder joint under guidance, while the pump material supports muscle relaxation and circulation between exercises. - Everyday and travel recovery: the lightweight, adjustable design and detachable bag offer portable shoulder support for light exercises and comfortable handling on the go.