You should be able to get shrink plastic from electrical supply stores. I know we carry some at work (home depot) but I don't know how thick it is when you're done shrinking it; all I know is there are different sizes and you use a hair dryer.
Awesome tutorial - thanks for sharing! I don't think I have any DnP baits, but if I ever have one, I'll know what can be done!
(Provided I can get the mechanism out; I agree with SD_Dreamcrystal on that one.
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