... plastic spike. b. It is updated from original acupressure mat c.The spikes are inserted in the mat without glue. And it ... , migraine, digestive problems, depression etc. Specifications:1. Reduced pain in back, neck, shoulders, hips and joints2. Improved circulation3. Increased ... -term, close together, good business relation.What is the effect?Use 10-15 minutes, the hormone will start to coming out and ...