Flat hem presser feet. Low Shank machines.
This foot is a heaven send to finish fabric edges. especially for fabric which frays a lot. Usually, you get 3mm, 6 mm hemmer feet. A 1/4 inch can make a nice hem. These make flat hem – you will find it identical to the hemmer foot in the front. But if you look on the back you will find that it does not have the groove that around hemmer foot has.
Single-Needle Domestic Sewing Machine Accessories Presser Foot Feet Hem Foot Spare Parts ForBrother Singer Janome