Thanks for this thread!! I've been working on tube implosions and do pretty well until it's time to pull the pendant off the tube. I tend to get an air streak across what would be the top (or lense) of my pendant. I seem to be able to pop the air bubble okay, but eventually get left with the air streak after I close the hole. Am I rushing on closing the lense hole, or not aiming my flame in the right spot, or ???
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