... arthritis pain 5.To recharge: place the hot pack in boiling water with cloth below,notes:prevent ... crystallization, when the crystallization completed,squeeze the hot pack to make it soft and ready to use ... rub it until it becomes soft, this hot pack gives soothing effect to rheumatic conditions of joints ... as well as pain caused by abdomen,stomach,waist,leg,shoulder,neck and nerves.It also stabilizes ...