Tantric edging massage.After relieving physical fatigue, adopt special techniques to conduct all-round polishing on penis and glans, mainly to improve your ejaculation threshold and tolerance, and reduce sensitivity. Edge control is one of the most exciting massages, it’s as exciting as surfing many times. Edge control is the most sensitive area of the organ mainly near the glans coronal groove stimulated with high frequency (or with tools). The edge is to control the edge of your ejaculation, and you can't shoot if you want to. When stimulating, the angle can be changed more, such as left and right sliding, 360 ° sliding, proper stop and readjustment. and enjoy the lasting pleasure it brings.Shanghai tantric edging massage