Bone rongeurs used for gouging out bones during surgery.
https://s3-us-west-1.amazonaws.com/h...gery_tools.jpg
Previously:
https://www.homemadetools.net/forum/...270#post154119
https://www.homemadetools.net/forum/...487#post151192
https://www.homemadetools.net/forum/...041#post140930
https://www.homemadetools.net/forum/...518#post139357
https://www.homemadetools.net/forum/...159#post126129