Bulent Aliev wrote:

Paul, I suspect that the way the tool is designed will expand the whole tube.
I think you should have a counter acting support against the balls to form a
bead.
I see a tool that will look like a manual can opener. One roller with the
raised ring in the middle and the outside roller with a groove. This way only
the bead will be pushed out without affecting the surrounding area. What do
you think?
Bulent

I'll know more after I try it.

Paul Lamar
 
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