I was inspired by the information shared in recent posts regarding the existence of something called a "Nail Board" to help tie accurate "Knot Systems" such as bridles, leader lines for handles and potentially other applications.  I decided that what I am about to share is too lengthy for a forum post so I have posted this as a blog instead.  I hope you find it useful. SF Nail Board Instructions for Knot Tying   A Nail Board consists of a “flat board” with physic