When I first moved into my own home, I got myself a nice set of plastic chopping boards that were color coded to avoid any risk of cross contamination. Then I noticed the slash marks my knife was ...
The Grippy version has everything the reBoard has except each corner features a small silicone bumper that keeps the board firmly in place, even when vigorously chopping on slick stone countertops.
Olduvai stone chopping tool (made 1.8 million ... This is, in fact, a very very versatile kitchen implement. The early humans who used chopping tools like this were probably not hunters themselves ...