Question

how can you help red worms in grinding their food in vermicomposting pit​

Answer 1

send them in the farm or farm Field

Answer 2

Earthworms or red worms do not have any teeth. They grind their food with the help of a special structure called a gizzard. When powdered egg shells or sea shells are added to the composting mixture, the small rough particles of egg shell enter into gizzard and helps in the process of grinding of food by the gizzard.

Hope this gonna help you mate......