Make enough attempts to cut foam using whatever you’ve got — utility knife, hacksaw, serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better.

To properly slice, you don’t usually thrust down with force, but instead smoothly run the knife through the ingredient with consistent speed and pressure. This versatile cut can be made wide for ...

So I lined up the top performers and resumed cutting until I had a definitive best overall, a best value, and nine other knives that beat out the tight competition. Here are my final best EDC knife ...

Let’s face it: cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded ...