Today I constructed another cultivator for the brushcutter from the spike. I didn't think the effect would be so good.

You can buy the cultivator here: https://s.click.aliexpress.com/e/_Dlx...

See also:

Rotary tiller brushcutter attachment:    • Tiller  brush cutter attachment. Cul...  
Water pump brushcutter attachment:    • Water pump. Brush cutter attachment. ...  
Diamond cultivator:    • Cultivator for brushcutter. New desig...