dry rolling

Then they heard the noise of hand grenades heavy and sodden in the dry rolling of the automatic rifle fire.

No dry rolling: In intense heat the straw the hat is made from can dry out and become brittle, attempts to roll hats in such a condition could result in them cracking!

Dry rolling of grain is a widely adapted processing technique that both enhances cattle performance and results in improved physical ration characteristics as compared to feeding the grain as whole grain.