1. The procedure employed in BLIND TOOLING , in
which, after an initial quick application of the
heated finishing tool to "set" the leather in the
impression, the tool is impressed a second time
and rocked slightly, imparting a polished and
darkened surface to the base of the impression. 2.
The process employed in imparting dark lines on
the spine of a book. usually on either side of the
raised bands, by means of a string or strings
drawn back and forth rapidly across the leather.
The device used in this procedure is known as the
"jigger bands," and usually consists of one or two
lengths of cord stretched between two wooden
handles. (97 , 335 )