hmmm....I think I understand what you guys are asking.
You make the bend with the strap. I do not have a bow ready to bend this morning so we will just pretend that this one is ready to bend. (Excuse the sweat I just got done with my work out and had to cath my wife for a photo before she left).
You make the bend with the strap. Grab the bow out of the pot, put it and the strap into the jig, then use preassure on the strap (not the bow) to bend the wood. Use oven mits or heavy gloves as the wood is very hot and will tranfer heat to the strap real quick.....ouch......I know that from experince as well.
Does that answer your question? Next time I do it i will video it.
Steve