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Old May 5, 2013, 08:30 AM   #4
wogpotter
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Join Date: September 27, 2004
Posts: 4,811
I used a pipe cutter (very carefully) to make a shallow annular groove. It has the advantage of not raising a ridge alongside the groove as long as you keep the cut depth shallow enough. It does tend to ruin the pipe cutter BTW, buy a a cheap one & think of it as disposable.
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