To roll s.t. back and forth, knead (like in making a dough).
She rolls the steamed cassava so that it will be firm.
We roll the steamed cassava so that it will taste good.
For s.t. to roll and move forward (as stones, coconuts, tree trunks); to roll back and forth.
The coconut is rolling towards here.
Don’t keep rolling there on that dirt.
Stones rolled onto my house because it is at the foot of a mountain.