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It was a presser foot for your sewing machine that you could load your material and make your own bias tape and it would dispense the tape in an even flow without pinning it on. You could attach the folded material like bias tape to your garment in just minutes! Wow!
It also had an attachment to put elastic in so you could dispense the elastic as you sewed it on and it naturally gathered the material as you sewed.
The other presser foot had a place bent in such a way that you could fold your edge in the foot and it would continue folding the edge material as you sewed your hem on a garment. It worked with both straight stitch and zig zag.
It came in ½” ¾” and 1” seam guide. I do not know about the reputation of the website but the innovation was great!
The website listed was: https://love-sew.com
They were all from the same website and had a different package for each but all reasonably priced. I just had to share the word unless you had not seen the advertisement.