How Rotavator Rotary Tiller Flail Mowers are made in a Factory (clip)

This video clip from full length youtu.be/sJtLhbaGBuo shows the final assembly for a Rotavator or Rotary Tiller or Flail Mower or Bush Hog or Brush Hog device.

The steel teeth look too slender to really dig in to the topsoil for dense roots like my weed buckthorn but it may do to activate landmines. The mount bracket looks pretty sturdy though, doesn't it?