Boot jack.
https://s3-us-west-1.amazonaws.com/h...moval_tool.jpg
Previously:
https://www.homemadetools.net/forum/...004#post100479
https://www.homemadetools.net/forum/...186#post130478
https://www.homemadetools.net/forum/...152#post115730
https://www.homemadetools.net/forum/...2950#post97620
https://www.homemadetools.net/forum/...228#post126506