Spyderco: Ladybug 3 - Glow-in-the-Dark FRN - VG-10 - LPGITD3
It attaches to your keychain and is nearly as small as your car keys. One of Spyderco's smallest lightweight locking knife is the Ladybug.
Made of VG-10 stainless steel, the saber-ground blade is easy to maintain. It's paired with Fiberglas-Reinforced Nylon scales, keeping the weight down to just 0.6 ounces (16.4 grams). The Ladybug have a clip, but rather a lanyard hole for attachment to a keychain or lanyard.