Naw, you just don't have Canadian Customs officers sabotaging yours "because our laws are not working for us" It means that the cover isn't tamped to be able to pull the coil out. Is the coil snug or does it move at all? Not sure how that would all work without a snug secure fit. Be careful! @invertedisdead It's true! Science! I definitely agree with you there, however it's something I have a feeling will be improved on very soon, with better materials! I have the patent if you're interested Appreciate it bro! There are now 3 SV4's in the wild. Mine blew up and was sent back, yours working perfectly, and @Dubmonkey not liking his and practically trying to GIVE his away for nothing!