Isaiah 41:15
Behold, I will make you a new sharp threshing instrument having teeth: you shall thresh the mountains, and beat them small, and shall make the hills as chaff.
Torrey's Topical Textbook—AKJV

Amos 1:3
Thus said the LORD; For three transgressions of Damascus, and for four, I will not turn away the punishment thereof; because they have threshed Gilead with threshing instruments of iron:
Torrey's Topical Textbook—AKJV