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Somewhat counterintuitively, dull kitchen knives are more dangerous than sharp ones, as they’re more likely to slip off the side of whatever you’re cutting, and go into your hand.

Luckily, you don’t necessarily need to buy a new knife to get a sharp edge; this professional electric sharpener is down to its lowest price on Amazon, today only as a Gold Box deal. Boasting a fantastic 4.6 star review average from over 1,000 customers, the Chef’s Choice 15 XV can even convert standard 20 degree edges into even sharper 15 degree edges, meaning your knives could actually come out sharper than they were when you first bought them.