Foot-operated door opener. 0:15 video.
https://www.youtube.com/watch?v=_J0xmp-ILJA
Previously:
https://www.homemadetools.net/forum/...589#post162766
https://www.homemadetools.net/forum/...620#post159183
https://www.homemadetools.net/forum/...405#post154621
https://www.homemadetools.net/forum/...662#post155621
https://www.homemadetools.net/forum/...075#post130022