The Wahl beard trimmer attachments can be used by following these steps: 1.Turn the power on and select the appropriate guide comb for your desired length of beard 2.Starting at the bottom of your neck, slowly move up along the jawline to trim 3.Use a back and forth motion while moving upwards 4.Repeat this process until you have achieved evenly trimmed facial hair
The Wahl beard trimmer attachments can be used by following these steps. Turn the power on and select the appropriate guide comb for your desired length of beard. Starting at the bottom of your neck, slowly move up along the jawline to trim.
What Does The Lever Do On A Wahl Clipper?
You can change the closeness of your cut between guide comb lengths with the taper lever. The lever needs to be moved up for a closer cut and down for a longer cut. You can use this to be more precise with your cutting lengths. 
What Does Lever Open Mean 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.