Adjustable push stick. By Ohyo56. 5:39 video:
https://www.youtube.com/watch?v=S2Bek7CABP0
Previously:
https://www.homemadetools.net/forum/...690#post174625
https://www.homemadetools.net/forum/...464#post173705
https://www.homemadetools.net/forum/...363#post173295
https://www.homemadetools.net/forum/...744#post170867
https://www.homemadetools.net/forum/...997#post164503
https://www.homemadetools.net/forum/...237#post154020