what does rubbing your testicles do
Testicle massage will even increase the size of your testicles so that they are lower hanging, fuller feeling, heavier, and more sensitive. This exercise explains how to increase blood circulation to your testicles to promote all-round better function and health.
From the age of puberty, the testicles produce sperm which can fertilize the female egg. The testicles are also responsible for producing the hormone testosterone. Testicle massage improves the blood circulation to the testicles, which also boosts your production of testosterone.