Belly Rings Rock! What a conversation piece - you'll be the talk of the town! Our unique Rough Rider Knife Belly Ring is a fully functional, working knife with a stainless steel blade and bone handle. Approximately 2" in length when closed; 2 3/4" when opened completely. 14 Gauge Stainless Steel Belly Ring Component. This belly ring is BADASS. We have a matching set of earrings and necklace also... they all work!