Definition
Tension rings, defined
A penile tension ring, also called a constriction ring or ED ring, is a band worn at the base of the penis that applies gentle, even pressure so blood stays in an erection longer. FirmTech explains that this pressure slows blood from flowing back out, so erections are firmer and last longer while the ring is on.
FirmTech’s rings, which this guide covers, go beyond a simple band: an anatomical peno-scrotal design spreads pressure across the base and behind the testicles, and an adjustable hook-and-latch lets you set the tension yourself. They do not restrict ejaculation.