This is a device that provides good grip between the palm and the item during muscle strength and physical training. It includes a combination of a memory elastic piece and a wrap-around elastic band wristband and a tension band. It can be widely used on barbells and dumbbells, through memory shrapnel. The characteristics of curling and straightening can hook and wrap the wrapped items, increase the tightness between the palm surface and the object, help the user to be more efficient in gripping and not inconvenience caused by one-handed winding. .這是一種肌力與體能訓練時，能提供手掌與物品之間良好抓握力的裝置，包括記憶彈片與纏繞式鬆緊帶護腕和拉力帶的結合，可以廣泛使用在槓鈴與啞鈴上，透過記憶彈片捲曲與伸直的特性，能勾住並纏繞受纏繞之物品，增加手掌面和該物品之間之密合，幫助使用者在抓握上更有效率且不會因為單手纏繞而帶來不便。
