You just chomp on this bit and then you can shave around it for perfect results every time. And you adjust three rollers's width, flawlessly conforming to your face, and also to your notion of what a real goatee looks like.
As soon as someone comes up with a PonytailSaver and SideburnSaver, the Blackwater/DEA hipster will have all his grooming accessory needs filled.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects