1922 motorcycle sidecar police booking cage.
https://s3-us-west-1.amazonaws.com/h...oking_cage.jpg
Previously:
https://www.homemadetools.net/forum/...242#post116057
https://www.homemadetools.net/forum/...309#post121825
https://www.homemadetools.net/forum/...222#post126473
https://www.homemadetools.net/forum/...316#post126948