Tutorial: how to use the BERNINA hemmer feet no. 61-69 - YouTube
Hemmer Foot: How to use it to sew rolled hems (Tutorial)
7pcs foot Roll of cloth #6290 2 to #6290 8 Domestic Sewing Machine Hemmer Foot Rolled Hem Foot Snap on For Singer Brother|Sewing Tools & Accessory| - AliExpress