Some of the Smith-Corona 6 series machines (electrics) came with copper shipping restraints that were meant to be removed by the dealer prior to sale. Sometimes they can be found inside cases and in other instances, inside the typewriter itself.

via: https://old.reddit.com/r/typewriters/comments/1ew971o/need_help_finding_where_this_came_from_more/

See also:<br /> https://imgur.com/a/xbo6SoY<br />

https://imgur.com/a/PMPCXN5<br />