So once your container holding the keys is frozen you remove it. Now we need to get you in a vulnerable, embarassing position.
The simplest is to tie yourself tightly to all 4 posts of a bed or even to the legs of a bed. You could also do this beneath a dinning table. This is why having 4 padlocks may help make this easier.
You could tie your ankles to something tightly then you could handcuff your hands behind your back. Next use a chain to padlock the handcuffs to the bed.