With a retractable knife, there's always a chance you might forget to retract it, or it could accidentally pop out in your pocket. Plus, retractable knives tend to wear out faster than folding ones.

The Shark Utility Knife is precisely that—a blend of durability, elegance, and functionality. Shark Utility Knife Key Takeaways High-quality GR5 titanium construction ensures durability and ...

GhostClip: A Knife With Nesting Pocket Clip The GhostClip is a relatively benign pocket knife design if you look past the retractable pocket clip. It comes in either D2 or M390 steel.

After the September 11 terrorist attacks in the United States, many airports around the world said they would no longer allow passengers to carry retractable knives of any kind on airplanes.

The agency will permit knives with retractable blades shorter than 6 centimeters (2.36 inches) and narrower than 1/2 inch, TSA Administrator John Pistole said today at an aviation security ...