I've never put a sub in stand-at-attention, anal-hook bondage before, but I’ve been the sub in this position. My wife does it to me. She first uses wrist restraints, three snap hooks, a metal ring, and a chain hanging from a ceiling hook to bind me into a standing position that forces me up on my tip toes. She enjoys watching me dance as she uses a whip on my backside, yanks on a leash clipped to my cock and ball harness, fucks my ass with a dildo, and eventually masturbates me.Lately, we’ve added an anal hook suspended by a second chain to this standing bondage she puts me into. She has me get up on tip toes as high as possible so she can snap hook the ring of the anal hook onto the highest chain link possible.It’s an experience. I’m standing at absolute attention on my tip toes. If I ‘fall’ off my tip toes and slip down (less than an inch) to the point that I’m hanging by my wrists, my ass is very uncomfortably stretched, but not to the point of injury.If you want to put your sub in that arched back posture, use two ceiling hooks several feet apart. Hook the wrists to the rear ceiling hook. Insert the anal hook from the front, and hook it to the forward ceiling hook. You can arch the back, pull the shoulders rearward, and pull the hips forward as much as you want by increasing the distance between the ceiling hooks. This type of bondage also pulls the anal hook into the front of the rectum instead of the back of the rectum and greatly stimulates the male prostate or female G-spot. Greater ceiling hook separation produces greater stimulation.