Silicone main gym dumbbell handle sheath hobbies sports sports equipment need dumbbells sheathed secondary can achieve better efficiency in some exercise in the process of reducingunnecessary burden on normal dumbbell sheathed Center joins the wrist does not put a lot of pressure on wrist and thereby affecting the training effect Using a dumbbell barbell became common after the sheath of Thick Bar professional training barbell weight and clearance sections supported the same way.