1. Place a rubber sticky mat or a damp paper towel underneath your cutting board to avoid slipping (unless your cutting board already has very stable, nonslip rubber feet.)
See also The Best Chef's Knives for Any Type of Cook.
2. Place your thumb and index finger on either side of the top of the blade, right in front of the handle, and curl your remaining fingers around the handle.
3. Hold the food in place with your other hand, making sure to bend your fingers inward (like a claw). This protects your fingers while you’re chopping.