Deuteronomy 28:48
Therefore shall you serve your enemies which the LORD shall send against you, in hunger, and in thirst, and in nakedness, and in want of all things: and he shall put a yoke of iron on your neck, until he have destroyed you.
Torrey's Topical Textbook—AKJV

Jeremiah 28:13,14
Go and tell Hananiah, saying, Thus said the LORD; You have broken the yokes of wood; but you shall make for them yokes of iron.
Torrey's Topical Textbook—AKJV