Why is that tills are always Pigs?

Question:

Why is that tills are always Pigs?

Pigs till in the soil...
Could it be that pigs always till, and the till is always a pig?
Till when could the till be a pig, until then I expect your knowhows you fill.

Additional Details

5 days ago
Fine, a philosophy of druid myth.

Best Answer - Chosen by Asker: 5 days ago
Fine, a philosophy of druid myth.