This product is one of Kinky Monkey’s more standard harnesses. It’s has a clean, simple jock-style design. A broad triangular backing base has a hole punched through it for a dildo. In front of the hole is an o-ring to support the dildo. This O-ring is not removable. I haven’t found a dildo that can fit perfectly between the harness backing and the O-ring, so the base of the dildo goes through the backing hole and sits directly against my skin unless I’m wearing underwear underneath.