Lansky BladeMedic | $7 | Amazon
Graphic: Shep McAllister
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No matter how great your kitchen knives are, they all need some tender loving care from time to time. This $7 Lansky BladeMedic includes two v-sharpeners, a fold-out sharpening rod, and a ceramic sharpening edge for serrated knives, all in a handheld package that can fit into any kitchen drawer.

This thing amazingly has a 4.6 star review average from over 3,000 customers, and it’s sold out within a few hours pretty much every time we’ve posted it at this price, so I wouldn’t wait.