Hammacher Schlemmer is offering The Gentlemen's Personal Barber for $39.95 plus extra shipping. No sales tax in most states. Expires soon or while supplies last.

Why you need it:
This personal barber device allows you to cut your own hair while maintaining a slick, clean barbered look. This trimmer has two bidirectional, curved blades that cut as you move it back and forth throughout your hair. It adjusts to five different lengths (1/8", 3/16", 1/4", 3/8", or 1/2"). You can also cut hair right to the scalp. There is a pop-up trimmer for beards, side burns and neckline.