Quick, empty your pockets.

If you happen to be outside the house, you’ll likely have at least three items: a wallet, phone, and keys. We’ve already talked about credit-card knives that fit into wallets and the iPhone multitool case, but that leaves us with keys.

Since your keys are always within reach whenever you’re outside the house, they’re a natural place to attach¬†essential tools.

If you’re looking to make your keys even more useful, we’ve assembled this list of tools that fit right on your keychain.

Some of the tools we first wrote about when this was published in May 2015 have gone the way of the dodo, so we decided to give this list an update.

Gerber Shard

The Gerber Shard is a small and easy to carry piece of steel that doesn’t overwhelm with functions. The small tool has two screwdrivers, a pry bar, a nail remover, a bottle and can opener, a scraper, and whatever else you can get out of it.

The tool is 2.75 inches long and made of stainless steel with black titanium coating.

Victorinox Classic SD

Perhaps the best-known multitool ever is the Swiss Army knife. The Victorinox Classic SD is not only one of the best-selling Swiss Army knives but it is also small enough to fit on your keychain.

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