edgup 2.0 - neckline shaving template and hair trimming guide | diy hands-free cut, trim, and shave use for line ups | flexible durable high-grade silicone u.a.a. inc. low-tech, but high-grade shaving and hair stencil template makes keeping a neat neckline simple. tool makes it easy to maintain the neckline at home with no risk of razor nicks. just match the super-flexible medical grade silicone up to the desired hairline, reach back and trim away following the edge for a perfectly clean neckline. the silicone matches all the contours of the back of the head/neck, won’t slip around during trimming and is durable enough to avoid damage from any razor or trimmer.