Grooved for your pleasure. this appealing streamlined-design penis plug features a gently tapered. round point for easy insertion into the urethra. Running along the plug's sleek steel shaft are five deep. machined grooves. equal distance apart from one another. creating a ribbed texture for intensified urethra stimulation. Mounted on the end of the plug is a slender. graceful steel curved arm with an attached bead. Connected to the fixed bead is a detachable head ring that is worn tightly around the head of the penis. so The Stake will not slip too far in or slide out.