This is a test of commonsense. Complete the next sentence:

How to choose a cutting board
Avoid glass.
Glass cutting boards are a popular choice because they look nice in your kitchen. However, glass cutting boards have been shown to dull brand new kitchen knives in as little as 10 strokes.
If you happen to have a glass cutting board, use it as a serving platter or cheese tray instead. Other hard cutting board materials-like marble, granite, ceramic, and composite-can do similar damage to your knives, and should be avoided.