Not sure how I got this link, but happened onto this video about some fellows making wooden pistons for a 4-banger motor. Pretty funny stuff.
https://www.youtube.com/watch?v=rO-ttUAiVDw

There is another video about filling tires with concrete......
https://www.youtube.com/watch?v=eusgXEa22oE

I don't know how many of these wacky videos there are.....