If you're comfortable with condensing the glass, even a little frit inside should do the trick. Use butterscotch, blue moon or other fumey color and it self-fumes the piece as a bonus. Just condense and blow back out a couple times. I'm horrible at it but... I'm comfortable screwing up so... it's all good 
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Chris Scala
Fortune Cookie say, "When things go wrong, don't go with them!"
Current Glass-Melting Apparatus:
GTT Lynx powered by 2 5 LPM Oxycons and
a sexy Barracuda running pure tanked Oxy
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