Hemmer

• (n.) An attachment to a sewing machine, for turning under the edge of a piece of fabric, preparatory to stitching it down. • (n.) One who, or that which, hems with a needle. • (n.) A tool for turning over the edge of sheet metal to make a hem.
Found on http://thinkexist.com/dictionary/meaning/hemmer/

Hemmer

Hem'mer noun One who, or that which, hems with a needle. Specifically: (a) An attachment to a sewing machine, for turning under the edge of a piece of fabric, preparatory to stitching it down. (b) A tool for turning over the edge of sheet metal to make a hem.
Found on http://www.encyclo.co.uk/webster/H/32
No exact match found