About this item:Suitable for stroke hemiplegia, insufficient muscle strength, subluxation of shoulder joint,There are three training methods, help shoulder training, elbow training and auxiliary training.There are flexible universal wheels that can rotate 360 degrees, 4 noise reduction wheels, light sound and wear resistance, suitable for various desktops.PU leather material is preferred, skin-friendly and breathable, wear-resistant and non-slip, built-in high-density sponge, comfortable to touch.Adopt double Velcro design, high elastic elastic