Hey guys...I know not all of you are into anal penetration for stimulation...but if you're curious about how it feels try this harmless technique.
While you're in the shower take your back brush and place it between your legs with the bristles under your balls and the handle kinda behind your butt. As you stroke with one hand reach around the backside and run the handle of the brush...wiggling it side to side up and down and even lift the handle so it puts presure on your butt/prostate. Experiment with it...it's a fun and amazing combo to stroke with one hand and use the brush to stimulate your balls and anus at the same time. Happy scrubbing.