Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to razor cut your own hair [title] Purchase a razor comb and razors. [step] A razor comb is typically divided into three sections. The end of the comb contains a regular comb.

Ending1: The front of the comb is divided into two different sides: the small-toothed side and the wide-toothed side. The wide-toothed side can be used to create choppy layers. Ending2: [substeps] The comb's steel lock has two looped ends and the other end contains a nylon-toothed lock. The nylon-toothed locks the razor directly from the comb's teeth. Ending3: You will need to use it each time you cut your hair. They measure 1 to 2 inches (2.5 to 5.1 cm). Ending4: This is important because if you don't cut a long section of hair, it will create more hair that will start to irritate your skin. Also, a comb can injure your skin by pulling your hair apart and irritating the skin.

Answer format: ending1/ending2/ending3/ending4