Bookbinding Using a Ploughing Aid

Trimming the edges of a book using a plough is an ancient yet effective technique, but getting the book positioned correctly in the laying press so the cut is accurate can be a frustrating part of the process. A ploughing aid can help this by setting up the position of the book out of the press and guaranteeing an accurate cut. As far as I know noone produces these commercially (yet), but they are relatively simple to make and an absolute boon if you use a plough (Credit to my friend Bob Hamer who made th