The brilliant design of these scissors gives you two scissors in one. Opening the scissors reveals three blades, the top blade is a standard straight blade and the bottom blade is a micro-serrated blade. Utilize the top and middle blades together as a pair of straight scissors to cut ordinary things like paper. Utilize the middle and bottom blades together to cut slippery material such as food plastic wrap, vellum, plastic bags, etc. The fine zigzag design of the bottom blades can hold slippery material well.