Trench forming excavator attachment - GIF

Trench forming excavator attachment.

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Previously:

https://www.homemadetools.net/forum/...017#post120191
https://www.homemadetools.net/forum/...467#post166364
https://www.homemadetools.net/forum/...986#post164465
https://www.homemadetools.net/forum/...001#post191227
https://www.homemadetools.net/forum/...104#post172291

Where do you ever find a site like that with perfect conditions of material density, moisture content, lack of rocks to be able to perform an operation like that?

Looks like it is perhaps intended to catch run-off coming from the right to protect a town of greenhouses down hill on the left.