"sex adult product factory" tells us a different sexual position will give men bring a different stimulus, stimulus if the position is too large, then the man is something fast their arms bound to happen. So, not simply lust sexual position, it should be selected, such as after the position. After the "sex adult product factory" to remind the style sexual position is the best way to reduce body friction. If the woman kneeling on the bed, the man standing knee-bit backward type, or the woman supine knees, man standing forward style (the woman on the bed, the man in the bed). "sex adult product factory" describes this position can not only directly reduce stimulation for men, but also downward pressure on Alice Ting penis, so that the desire to slow down the arrival of ejaculation.