Predicament bondage doesn’t have to be all that complicated, and it doesn’t require expensive gear.  To put this boy in this one, all I really needed was:

1. Handcuffs to cuff his hands behind his back (I used locking leather cuffs here, but you can use pretty much any type of cuffs since he’ll have to lift his ass off the floor soon enough, so he won’t be sitting on metal)
2. A short length of rope to tie around his balls (just tie an extra loop in the rope to allow hooking the rope onto something)
3. An easily adjustable ratchet strap.  I used to use a different kind that required cranking part of the device back and forth.  It was a pain and it often got jammed, not good if you need to release something quickly. Now I use these, and all I have to do is pull down on one rope (the one you see hanging on the left) to make the other (right) side go up. Release is as easy as holding down a lever and pulling down on the rope on the right side with your other hand.

This is a great workout for the boy’s abs and legs.  It makes him quite motivated to work them overtime if necessary, since the alternative is stretching his own balls more than he would like to.  As long as you don’t have him cranked up to the max, he can raise up on his toes and back down to adjust a bit and prevent muscle cramping.