Do it.
With Your Foot.

Heeldo™ is the FIRST strap-on dildo harness for your foot allowing for hands free fun and kinky couple play!  The harness slides on your foot like a sock, allowing any flared base dildo or butt plug to protrude out of the back of the harness, where your heel is. You can then sit, squat, and bounce on your favorite harness-friendly dildo