can you put more info about the subject?
The speaker is talking about the water. During winter, the water enters the cracks and freezes and expands. It breaks the stone and makes cracks and when the water melts the holes are bigger. What he is describing is mechanical weathering which is common in nature.
It isn't certain, but since the strap was usually made of goat-skin, it could have been a symbol of fertility. By striking the women (often on the wrists) with it, it was said to ensure fertility, easy childbirth, and good health for them.
C. NOUNS
Adverbs can modify verbs, other adverts, adjectives, and clauses.
It can be a single word or phrases or clauses. It answers one of these four questions: How? When? Where? and Why?