Fold-forming is a metalworking technique whereby metal is folded, repeatedly forged, chased, corrugated, or crimped and annealed, then unfolded to produce a wide range of dramatic three-dimensional forms. Invented in the late 1980′s by Charles Lewton-Brain, the fold forming technique provides jewelry designers with an endless palate of creativity . Browse through a wide selection of copper fold formed earrings by San Francisco jewelry designer John S Brana.