All the Usefulness of a Single-Gated Carabiner...Times Two! The unique, two-in-one Nite Ize S-Biner offers functionality for a nearly endless variety of uses. Made of high quality, weather-resistant stainless steel, this ultra-handy accessory with its dual spring gates will hold, secure, and connect everything from house keys and cell phones to technical camping gear. Attach valuables to the center bar for ultimate security, link gate ends to a second set of items and anchor, or connect many items together. Backpacker Magazine said it best when they wrote “Don't ask yourself if you need this useful little widget. The question is: how many?" Warning: Not for use where disengagement could result in bodily injury or property damage. Not for climbing.