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Skip the stale, tepid coffee in the work break room or enjoy a piping-hot cup of espresso in the wilderness with the ‘Minipresso’ by Wacaco, a pocket-sized espresso machine that uses a hand pump instead of compressed air, N20 cartridges or electricity to work. Less than six inches tall, the fully hand-operated gadget produces a 1.7-ounce espresso and includes a built-in cup.

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Use the included scoop to measure out espresso grounds, tamp them down, pour in 2.4 ounces of hot water, and then start pumping to build up pressure to 116 psi, the same pressure produced by traditional piston-driven espresso machines.

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Wacaco describes the process as “much easier and faster than to inflate a bicycle tire with a hand pump,’ so it doesn’t require a lot of exertion – though frankly, a little bit of work would be worth it to have a real, fresh cup of espresso anywhere hot water is available. The Minipresso is available on the Wacaco website for $39.