Iron: First Recorded Use of Fetters
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Psalm 105:18
They bruised his feet with shackles and placed his neck in irons,
Psalm 107:10, 16
Some sat in darkness and in the shadow of death, prisoners in affliction and chains, / For He has broken down the gates of bronze and cut through the bars of iron.
Psalm 149:8
to bind their kings with chains and their nobles with shackles of iron,