Adjustable strap design: ring buckle ensures secure, adjustable fit with easy donning and removal. Adjustable length: screwhole adjustment enables length to suit users from 115 cm to 145 cm tall. Elbow flip design: elbow joint can be flipped to adjust the shoulder range of motion in multiple directions, supporting versatile rehabilitation movements. Flannelette strap: soft flannelette fabric with a breathable, skinfriendly lining; detachable for easy cleaning. Key benefits: secure and adjustable fit, heightspecific length adjustment, multidirectional shoulder ROM control, and comfortable, easytoclean materials for regular use. What it solves: provides a comfortable, adjustable solution for guided shoulder rehabilitation and ROM exercises, accommodating different body sizes and evolving mobility needs. Standout attributes: precise screwhole length adjustment, ring buckle for quick tightening, elbow flip capability for varied motion, and soft, breathable, detachable lining for hygiene and comfort. Suitable for: 1) home rehabilitation following shoulder injury or surgery, enabling therapistrecommended ROM routines with adjustable angles and lengths. 2) daily shoulder mobility maintenance for users with limited ROM or stiffness, allowing gentle, controlled movements. 3) clinical or gym settings for structured ROM training and progressive therapy sessions. Use scenarios: Scenario 1: A patient recovering from shoulder surgery uses this device at home to perform rangeofmotion exercises, adjusting the length for a proper fit and flipping the elbow to target different directions. Scenario 2: An active child or smallstature adult uses the device for regular shoulder mobility work, with the screwhole length set to fit their height and the strap tightened securely. Scenario 3: In a physical therapy setting, therapists guide patients through multidirectional ROM routines, leveraging the elbow flip design to progressively increase movement variety while maintaining comfort.