Hi everyone,
It seems there is a lot of discussion and difficulty in doing loops. Here is one way I do it, using a pin on a steel plate or on my torch:
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Attach a loop rod and pull out slightly. Be sure it is fused on.
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Wrap the hot rod around the pin, stretch it a little more and tag it down on the back of the piece. The neat thing here is that the glass in the loop where it touches the pin freezes and keeps its shape, but you can still stretch the rest of it slightly to attach it to the back.
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Lift it of the pin. It should look like this:
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Snap off the rod and fire polish the nub.
This is all one movement: Wrap, stretch slightly, tag, stretch slightly, hesitate and snap off.
Hope this helps.
-Don-