Sharp ones. You know, flat with an edge.

[ it sounds awfully like she's describing a knife but. ]

They're usually with other flat rocks. By rivers, I think. Or... wait, no, those are the crumbly ones. They might be around cliffs?

[ huff ]

Doesn't matter, let's just find rocks. Any rocks.

[ she's finally gathered up all her sticks, too, so she sets right off in search of these mysterious not-crumbly, apparently-not-knives-either rocks. ]