The first time I nearly took off a fingertip, I was chopping onions on a board that kept inching toward the edge of the counter. Every push of the knife sent the board another half-inch forward. I looked down and my knuckles were basically over the sink.

I Googled “non-slip cutting board mats” and almost spent fifteen bucks on a silicone grid thing. Then my neighbor — a line cook who has chopped more vegetables than I’ve eaten — told me to just grab a damp paper towel.

The damp towel trick that costs zero dollars

Take a paper towel. Run it under the tap for two seconds. Wring out the excess so it’s damp, not dripping. Lay it flat on your counter. Put your cutting board on top. That board is not going anywhere.

The moisture creates just enough suction between the board and the counter to lock it in place. No sliding. No inching toward the edge. No nearly-losing-fingertips moments.

A thin kitchen towel works too — even better, actually, because it covers more surface area. I keep a dedicated “board towel” hanging next to my cutting board now. Takes two seconds to lay down before I start chopping.

If you don’t have paper towels handy

Wet a regular dish towel, wring it until it’s barely damp, and do the same thing. Or — and this one surprised me — a silicone trivet flipped upside down grips both the counter and the board. Most people already have one sitting in a drawer somewhere.

Rubber shelf liner works too. Cut a piece the size of your cutting board and leave it permanently under there. Dollar stores sell rolls of it for like two bucks.

What I stopped doing

I used to put a dry kitchen towel under the board. Dry fabric on a dry counter = still slides. The moisture is what creates the grip. It’s counterintuitive — you’d think wet = slippery — but a damp towel acts like a suction cup.

Also: don’t use a sopping wet towel. Water pooling under the board will actually make it slide more because the board floats on the water layer. Damp, not wet.

• Best option: Damp paper towel or kitchen towel
• Backup: Silicone trivet flipped upside down
• Cheap permanent fix: Dollar store rubber shelf liner cut to fit
• Avoid: Dry towel (no grip), sopping wet towel (too slippery)