So I thawed my F/T small adult mouse for 45ish minutes in cool water until it was soft all the way through, blasted it with a hairdryer for a while to make it warm enough to 'look alive'. Dangled the mouse, snakey wasn't impressed. So I just dropped it in front of the snake and got a bite a few minutes later. It finally released and I left it alone to eat and so far it hasn't gone down the hatch.