How to zero gap clippers without cutting the client

Zero gapping clippers can make detail work cleaner, but it can also turn a normal lineup into irritated skin if the blade is set wrong. I learned not to adjust clippers in a hurry between clients. A blade that looks close from one angle may have a corner sitting slightly forward, and that corner is what catches the skin. Before I tighten anything, I clean the blade, brush out the hair, disinfect,…