Countless movies and books include a plot-line in which the protagonist is abducted and either tied or handcuffed to something solid. In the unlikely event you were taken hostage and incapacitated it would be nice to have something about your person that could help you escape.
The Titanium Escape Ring has a hidden extra — a stainless steel multi-tool designed to help you escape from tricky situation. Hidden within its band is a stainless steel multi-tool which boasts a tiny saw and shim for picking locks. $60
The Titanium Utility Ring incorporates five tiny folding tool. Its tools include a bottle opener, straight blade, serrated blade, saw blade, and a comb. $385
Tread Multi-Tool Bracelet by Leatherman-a stainless steel bracelet that incorporates 25 tools within its links. Some of the tools on offer include various types of screwdrivers, a cutting hook, hex drives, box wrenches, and a carbide glass breaker. The clasp also incorporates a bottle opener and #2 square drive. In order to use any of those, the Tread has to first be removed from the wrist and then folded back to expose the needed tool. $150-200
Leatherdos Hair Clip-The stainless steel clip features three sizes of screwdriver blades, along with a serrated cutting edge, a ruler, an 8-mm wrench, and an end that can take the place of a coin in a grocery cart’s locking receptacle. $9
Source: Gizmag.com