Adjustable bracelet fit: The length and position of the bracelet can be adjusted to match wrist thickness and length, providing a secure and comfortable fit during use. Frictionreducing foam: A thicker foam tube reduces friction between the body and the exerciser, promoting smoother movement and reducing irritation during workouts. Versatile grip for training: The unique threetight gear handle enables convenient strength transmission and supports multiangle sports training for varied exercises. Warmup and swing stability: Warm up before training to activate muscles and stabilize the swing, helping improve performance and control. Usage scenarios Preworkout warmup: Wear the bracelet securely, use the device to activate relevant muscle groups, and practice controlled swings to prepare for training or competition. Multiangle strength training: Utilize the threetight gear handle to transmit force efficiently while performing exercises from different angles, enhancing overall strength and mobility. Wrist and forearm conditioning: With adjustable fit and reduced friction, extend sessions for targeted conditioning of the wrist and forearm with comfortable, repeatable movements.