Backing hammer
Object/Artifact
Used backing hammer with flat head and smooth back; wood handle.
![Backing hammer picture number 1](https://d8e7jbdw4fu0e.cloudfront.net/301/00419f30-011e-11ec-a1a2-35c119a82906-um2acf9.lg@2x.jpg)
2021.12.3
Used by bookbinders to round the spine of a book after sewing.
Demonstration
Tools and equipment
12.5 mm
IronWood