... cramps arthritis pain andtenontodynia 5) To recharge: place the hot pack in boiling water with cloth below, note, preventthe ... between forefinger and thumb, press againstis to start crystallization, when the crystallization completed, squeeze the hotpack to make it soft ... protruding button downwards, rub it until itbecomes soft, this hot pack gives soothing effect to rheumatic conditions of jointsas ...