Cupping is used method 1, use the former, the first tank top under the valve stem up to ensure smooth flow of gas. 2, vacuum pumping after muzzle cover tank top, vertical lesbian pole about 4 times, an appropriate negative pressure. 3, the use of the end tanks, the tank top stem gently lift, tank can be removed. 4, less muscle parts of the body or feet, joints can be edible flour doughnut cushions placed under the brim in order to seal.
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