I've been putting them in my own zip lock bag in luke warm water for about 2 hours. Once they feel thawed I put them under my heat lamp until they hit around 100* and how you hold the rat will depend on your snake. My male will only eat so far if I put it down on his floor and leave him alone while my female I can just lift her hide up grab the rat by the tail and immediately she takes. But some you might have to grab by the back of the shoulders and make them walk around or just pretty much how your snake will take the rat the best. There is no specific way how you hold your rat as long as your ball is happy with the way you do it and eats
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