Necessity is the mutha of invention

This is the late Dewey Balfa telling Aly Bain about his early life. Good Cajun fiddle music and scenes of life on the farm, but check out the home-brewed rig for harvesting crawdads at about 2:29.

From 'Aly Meets The Cajuns' 1988 UK documentary

Thanks to 1000Magicians, UK.