Carabiner Key Clip,Silver,1-11/16 in

This is such a nifty little keychain. I have used the "box-cutter", bottle opener, and carabiner features quite a bit over the many years I've had this on my keys. I put "box-cutter" in quotes because it's quite dull, but it still cuts through packing tape. The bottle opener also isn't the greatest, but it works in a pinch. This keychain multi-tool comes in for the win when you're in need. It's compact and minimalistic, and it's essentially always accessible because you typically know where your keys are at any given time. I love mine so much that I decided to buy one for my husband as part of his auto-themed V-day gift this year. I highly recommend it!

Great tool for attaching and removing tripod plates from camera rigs. I just wish the carabiner opening was larger as its hard to take on and off my belt loop.

The good stuff: this is a handy little tool that's easy to clip onto a keychain or bike bag. Having a flathead surface like this is handy for quick tightening when you don't want to have to roll out the tool bag or multitool. You might not need the ruler much, but the fact that it's with you means you'll never wish you could have measured xyz thing - you can just do it.The not-as-good stuff: This type of bottle opener, being very narrow, means that you have to get right under one of the grooves of the cap. Nite Ize actually makes a carabiner clip-style bottle opener which is much better. That said, all bottle openers of this design have this problem. My DoohicKey came was poorly finished. There are a couple of bumps on one side so that it cannot be placed perfectly against something in order to use the ruler accurately. But this was obviously made to a price point ($5 in this case), so I can't complain too loudly.

I fell into the trap of using good knives ($60-100 or more!) that were conveniently laying around to open packages... That's a waste of a good knife and can gum up the blade with adhesives!I finally decided to just get a simple tool (not a key from my keyring) to cut open my numerous Amazon shipments and decided on this. It is small and does other things (can opener, wrench for certain hex nuts, and can clip somewhere for convenience!) and was cheap enough to purchase on a whim. I chose this over the box cutters with replaceable or refillable razor blades since I didn't want to bother with keeping those stocked.So far so good! It's always around the kitchen in a drawer or clipped to something and when I need to open a box with tape (plastic or paper-backed), it's not a problem and I don't feel guilty later for using a "real" knife.Keep your real knives sharp and use them for what they're intended for! Use this little thing to open boxes and an occasional beverage!

Nice versatile keyring for the price. Very lightweight.

This is just the perfect keychain tool.

Light weigh, feels sturdy enough. Bottle opener works ok, but you can’t really get decent leverage / it feels awkward because you have to rest your thumb along the skinny edge of the tool. Very poor ergonomics. Also the “box cutter” is horrible at opening packages. It either doesn’t cut through the packing tape or it goes straight through the cardboard when you try and push harder.

This is on my air travel carry on bag. Some reportedly like this original version better than the newer (possibly improved) Plus. But there's nothing sharp here and that's a plus too. When I fly, I like to bring whatever potentially somewhat useful gadgets that can fly - that don't look at first glance like something else already deemed "dangerous" - because who wants to be a security line stopper?