the sex sack : balls exposed

Only a few have even mentioned their balls; to me the scrotum is one of the most excitable pieces of sexual equipment I have been given by the great God dick here

x = frenelum

For many men theĀ frenulumĀ  and the perineum are the most sensitive part of their body for sexual pleasure. Researchers asked 81 healthy men to rate the erotic sensitivity of different dick here