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rightunderwear.com.au
Men's healthy underwear. This underwear applies chimney effect to reduce temperature on scrotum through the right and left creases of the groin, the butt crack of the wearer. Medical theory: Increased scrotal temperature can hamper sperm production and a hormone called testosterone. Testicles’ optimal temperature is 1 to 2 °C below normal body temperature. Hence it can improve men’s fertility & sex performance in a natural way. Visit site »| Tweet |