Found this smooth wooden object in an old sewing tin. Shaped like a mushroom but the handle is too short to be a pestle.

requires a more robust and elongated tool.
3. Meet the Darning Mushroom: A Vintage Mending Essential
The object in question is a darning mushroom, a tool that was once an essential item in every household. Used primarily for repairing socks and stockings, darning mushrooms provided a stable surface to sew on, simulating the foot’s shape and allowing for easier manipulation of the fabric.
In the past, when socks were not as disposable as today, repairing them was a common household task. The darning mushroom was a ubiquitous tool, found in