The video looks at how to trim your own hair to keep it looking stylish because you know exactly how much you would want to cut off. Your top hair should be pinned to the top of your head. Sections should be cut off by first wetting the comb and running the comb through the section of your hair you want to trim. A handy Hair Shaper Razor is used. Take a section of hair and jerk the razor slowly downwards at the preferred length. Do it on both sides - making sure that both sides are even. Take another section and repeat the process. Secretlifebionerd a.k.a. K L Thu Cao also shows you how to trim the bangs.