Strap-ons are dildos that fit into a harness that are attached to the hips or waste to create the experience of an artificial penis. Instead of using a free standing dildo – which requires movement by ones hand – strap-ons allow for dildo penetration through thrusting. There are a variety of harness styles, some allow for interchangeable dildos & dongs of varying lengths and girths to be inserted into the harness.
Another type of strap-on allows for hands free thrusting without the harness. These strap-ons are enjoyed using a bulb that can either be controlled with the hand or inserted vaginally at one end and inserted into a partner at the other. Other variations of the traditional strap on are the two-way strap on that penetrates both the giver and receiver as well as the double penetration cock-ring strap on that fastens at the base of the penis.