I’m not sure what you mean.
The front of the cutting unit should be facing away from you if you put the trimmer guard attachment on. The beard comb should be placed against your face to get the best results.
How Do You Use A Guard On A Beard Trimmer?
The front of the cutting unit should be facing away from you if you put the trimmer guard attachment on. Use an upward motion to work toward your ear and upper beard line while trimming under your chin. Allow the attachment to follow your face. 
Can You Use Hair Guards On Beard?
To keep the beard the desired length, trimming with an electric clipper and a guard is definitely the way to go. As with any beard trimming, it’s best to start with a longer guard and move toward a shorter guard, you can’t put hair back on if too much is removed. 
Do You Shave Up Or Down With A Beard Trimmer?
You would like to shave against the grain. Your facial hair will change over time. Cut your blades against the grain. The beard comb should be placed against your face to get the best results. 
Do You Need A Guard For An Electric Razor?
Guards come in 1 to 25 millimeters. They are supposed to gather hair towards the blade and help it buzz cleanly. You can use an electric razor without a guard. It is safe to do so. 
What Is The Foil Shaver Attachment For?
As foil shavers are shaped in a straight line, they are perfect for trimming sideburns and moustaches. They give a closer shave as the foil shaver features varying patterns on each foil that are designed to cut any hair type with just one pass. 
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.