The position where warmers can be used
Warmer smooth, good paste, warm stick, where afraid of cold stick where：
1. Abdomen or waist: Put a warmer on your waist or abdomen to relieve the cold.
2. Stomach: Put a warmer on your stomach to soothe a cold stomach.
3. Cervical vertebra and shoulders: Warmer can warm cervical vertebra and shoulders and relieve pain.
4. Feet: Foot warmers can warm your feet equal to your whole body.
