Spiral Twister HELIX Ring, JET BLACK crystal inset stone, 16 gauge, orbital, eyebrow barbell piercing, hoop crystal inset Unusual & striking "Twister Ring" with sliding inset Jet BLACK colored crystal 16 gauge wire, 8mm wide, about 2mm inset "STONE" Stone slides out to insert wire, then slide back in and "click" to hold in place Popular in brow, barbell, helix, orbital, and similar cartilage piercings