Meet the Yoogo: a keychain designed to get you out of trouble. It has a compact and discreet design but protects your hand on impact. It fits between your fingers, allowing you to handle it with more confidence. As the below video shows, you can put the hurt on attackers if you use the keychain the right way:

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Whether you want to punch, stab, or slash someone, this self-defense keychain has you covered. Each Yoogo has a unique serial number, which is a plus. This sets you back under $20.

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[Source: Gadgetify ] [ where to get yours