Special hedgehog ball for effective acupressure: The special design of the Triggerpoint Ball works similar to acupressure. The central nervous system is stimulated and regeneration is accelerated. Regular use helps to promote blood circulation and thus improve oxygen supply and blood circulation to tissues and muscles. Fascia and tense muscles are gradually loosened and accumulated toxins are flushed out. Promotes blood circulation and oxygen supply to tissues and muscles Relaxes tense muscles and sticky fascia Regular use can alleviate pain resulting from tension.