NOCTI 1288 Travel and Tourism Practice Test

Using a guard is essential because it acts as a barrier between the blade and your fingers, keeping hands away while you push the potato through. It also provides a stable surface to guide the food, helping you achieve even slices and reducing the chance of slips that could cause cuts. The other options don’t fit as well: a shield isn’t the typical feature used to guide food on a mandoline; a glove can offer some protection but can still slip or catch on the blade; and a safety latch is for securing parts, not for slicing.