The taper setting on an electric razor refers to how close the blades will shave. The higher the taper setting, the closer the shave.
The taper setting on an electric razor refers to how close the blades will shave. If your blades become jammed with hair, simply move the lever up and down several times.
Should Taper Lever Open Or Closed?
The blade is at it’s lowest cutting position when the lever is closed. The blade is at it’s longest cutting position when the lever is open. The majority of standard clipper blades are set at zero gapped. 
Should Clippers Be Up Or Down?
The lever should be moved up for the shortest cut and down for a longer cut. If your blades become jammed with hair, simply move the lever up and down several times. The action will help free the blades. 
How Much Length Does A Taper Lever Add?
In the lowest position, the taper lever will leave the hair the same length as the comb. Since a different cutting edge is used in each setting, the taper lever will extend the use of your blades. 
What Is Lever Open On Clippers?
An open lever means that the cutting blade is farther from the tip of the fixed blade, so the hair feeds through more slowly, and the cutting result is similar to what you would get with a wide-toothed comb. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.