This Sharpener Can Restore Your Knives From 'Butter Knife Dull' — And It's Only $13

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Believe it or not, a dull knife is actually more dangerous than a sharp one. They’re more likely to slip when you’re slicing and dicing, quite literally putting your fingers in harm’s way. The good news is, if you’ve got any knives (or scissors) that are just too blunt for chopping, you don’t have to replace them with new ones. Instead, you can just sharpen them.

We found a pocket knife sharpener on sale that one reviewer says changed their blades from “butter knife dull” to “razor sharp” after one use, and the already-affordable gadget is marked down an extra 15% to just $12.74. Several say it’s incredibly easy to use, too, even for newcomers doing their first sharpening. Knives aside, it’s also handy for letter openers, scissors and shears, and its pocket-size takes up minimal space.

This gadget has three slots for three types of sharpening: one for scissors, one for dull or damaged knife edges and one for removing burrs from already sharp knives that double as a serrated sharpener. It has a suction cup at the bottom to keep it steady while in use, which one user classifies as “strong as hell” — a hallmark of kitchen safety. One reviewer says it’s their most used gadget. “I have kept one on my desk for year(s) to keep my letter opener and scissors razor sharp,” they say. I am 89 and have had a couple of strokes, so I only have one working hand. It vacuums to my desk. After a couple of days of slicing open letters, [my opener gets] a little dulled. A couple of strokes on the ceramic V and it’s back