the combination of the two makes the body slimming more effective. it has been clinically proven that cryo can reduce fat by 26% in one course of treatment. and with the shock wave treatment, the weightloss effect is increased by 33%. first use shock wave or cryo, depending on the fat status of the customer. cellulite or hard fat, use shock wave firstly to soften the fat, then, use cryo function, and final step, to use shock wave again. soft fat, use the cryo first, then the shock wave. a shock wave is defined as a wave with a rapid increase of pressure within a very short time and then having a gradual decrease of pressure with a small negative pressure phase..syi