The curved jaw with teeth can be used to secure pipes and other items. When granding, it can hold small objects firmly and work well. WARNING Do not use on objects that are running electricity. Note Do not use for anything other than the intended purpose. Always wear protective glasses when using. Hold locking pliers with one hand in case of recoil when unlocking. Please use within the opening dimensions that correspond to the size. Do not pull or hang items in pinched position. Be careful not to pinch your hand with the handle or unlock lever. When pinching objects with inclined objects, please be careful that it is slippery.