Quote Originally Posted by Salamander View Post
I use a cotton snake bag filled with popcorn as a reusable heat pack.

Nuke in it the microwave for a short time and it stays nice and toasty in whatever box you have your snake container in.
[just don't let it touch the snake in case you got it too hot]

If you're out for a long time and it gets chilled, just stop at a 7-11 and renuke it.
Can only certain types of them be nuked? Playing with the idea of trying that with the big heat pack that came with him unless of course it will blow up my microwave