While Bound is attached to Mîm, it gains, "Ignore the forced effect on the attached character. The attached character cannot ready."

Action: Attach Bound to Mîm and exhaust him, if able. Any player may trigger this action.

Then Mîm opened his eyes and pointed to his bonds; and when he was released he spoke fiercely. 'Learn this, fools!' he said. 'Do not put bonds on a Dwarf! He will not forgive it.'
–The Children of Húrin