Personally, I don't mix astral travel with red-hot metals and butane torches, but if you can be safe with that kind of thing out-of-body, I have a buddy that swears by a silicone pad, spice-wax, and a nectar collector, just sayin'.
Sine experientia nihil sufficienter sciri potest -Roger Bacon
*γνῶθι σεαυτόν*