Less than 3″ long and 1/4 oz., never be without a pen again with the PicoPen; the stainless steel pen hooks on to any keychain, can be un-capped one-handed, and doubles as a stylus.

Its name is nearly as “twisted” as its function: the Big Screw Bottle Opener is a hybrid beer and wine bottle opener made with solid aluminum that attaches to your keychain.

Dog State Jewelry ain’t clowning around with their bling; their morbid/masculine collection includes rings, keychains, and pendants in the shapes of pirates, skeletons, animals, and clowns.

Designed more for keychains than climbing, Fully Laced’s 3″ x 2″ Sneakerbiners are made with anodized metal in a low top silhouette and are available in 10 metallic colorways.

The Brewzkey essentially sells itself: the key-shaped bottle opener is designed to be carried on your keychain, and is durable; it’s as thick as a nickel and made out of stainless steel.

Light, portable and designed to be hung from your keychain, Swiss+Tech’s Utili-Key XT is an 8-in-1 stainless steel multi-tool with a wire cutter, screwdrivers, knife blades, and more.

Part novelty, part functional tool, this German-made, key-shaped pocket knife blends into your keychain; for a pen knife, it’s relatively sharp and is barely larger than an ordinary key.

Despite its innuendo-laden name, SwissTech’s Screwz-All is actually a compact 4-in-1 tool set with two Philips and flathead screwdrivers each; it folds flat for easy keychain carrying.

They’re not just shaped like keys–LaCie’s USB Keys and microSD card reader can be hung from your keychain; sturdy metal and Gold SIP tech lets them survive scrapes and water.

Diesel’s Atom Wallet combines your keychain with your cards and bills, with an array of keyholders within as well as a separate spiral-linked chain with looped leather handle.

Despite its rough-hewn name, this Meat Hook Wallet sports clean lines with a heat embossed Obey logo up top; this trifold also includes a detachable keychain with bottle opener.

These Space Invaders Dog Tags are pure geek-bling; available in multiple models and colors, they come with a small chain for easy hanging on your keychain, rear view mirror or xmas tree.