Found a coiled necklace design in a back issue of Step By Step Wire Jewelry (they're all back issues now, the magazine isn't published any more) that's based on Kenyan coiled brass designs. Theirs was done in 14 gauge copper and used a blowtorch for patina. I had 16 gauge copper and a bag of salt and vinegar potato chips. Here's the result.
( Nine or ten pictures back here. )
( Nine or ten pictures back here. )