It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
One traditional way to record the surface of a stamped or tooled binding was rubbing. Rubbings are made by running a soft pencil over a thing, smooth sheet of paper placed on top of the binding. Compare this rubbing (top) with an RTI image of the same section of the binding (bottom):