object
Backing hammer
A named broad-faced hammer used to round and shoulder a sewn spine. Not a band-nippers, not a peen hammer dump, and not a bare mallet dump.
Also known as Bookbinders backing hammer · Spine backing hammer
object
A named broad-faced hammer used to round and shoulder a sewn spine. Not a band-nippers, not a peen hammer dump, and not a bare mallet dump.
Also known as Bookbinders backing hammer · Spine backing hammer