IPA: /ˈhɛmər/
KK: /ˈhɛmər/
A tool used in sewing that folds the edge of fabric before it is sewn down, often attached to a sewing machine.
The hemmer made it easy to create a neat edge on the fabric.
The word 'hemmer' originates from Old English 'hemian', meaning to enclose or to border. It refers to a person or tool that creates a hem, which is a folded edge of fabric.
Think of someone who 'encloses' or 'borders' the edge of fabric — that's what a hemmer does.