The Cut Buddy is the easy way to correctly lineup hairlines and beards. If you are a professional and need a tool to help you line or just "check your work" this tool is a great addition to your kit. Also great for non pros that need to spruce up their lines between shop visits. Flexible so you can bend it as you need to work. Instructions on back of packaging.
Check out the videos below and also at www.TheCutBuddy.com