Secure to ankles, and run it up. This Impaler is crafted from 1" square steel tubing The base is spreader bars that are interchangeable. This set comes with 6",12", 18" and 24" spreader bars. The ends of the spreader bars are threaded. This set comes with threaded rings and one set of our 1½" wide serious shackles. You can also secure rope or leather cuffs to the 1" rings provided. The pole is adjustable from 18" to 32". Any Dildo with a shaft size under 2" and a flange will work, or unscrew the dildo and put a dungeon delights Steeldo on it, The threads are 3/8" coarse and adapt perfectly to an exquisitely crafted stockade.