18th century French rug weaver's tool.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...l_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...aving_tool.jpg
Previously:
https://www.homemadetools.net/forum/...117#post165025
https://www.homemadetools.net/forum/...902#post133599