When I'm working with heavy-gauge jumprings (I recommend you work with the heaviest possible), I repeat the closing motion three times, moving the ends of the jumpring ever slightly inward, to nearly overlapping, as I move back and forth. This motion creates tension in the jumpring and forces the ends to push inward.
Products sold by Fire Mountain Gems and Beads® are intended for experienced jewelry-makers and designer-artists; children 14 years of age or younger should use these products with adult direction.
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