Ok, this foot is really cool. It's the seven-hole cord foot. Basically if you want to sew ribbon and other threads into place, you can use this foot.
Here's the foot:
You can use it with a cord holder that attaches to the leg of the machine:
Let's see this baby in action.
You can use up to seven threads/ribbons/yarn, etc. Here's three -- a brown, a gold, and a brown, threaded through the top three holes.
I used the featherstitch to stitich them into place.
You can also use this foot to do gimping. I used a piece of gimp, but frankly a piece of string would do, or embroidery thread or yarn.
I used the satin stitch to cover the gimping.
Here's what it looks like all sewn up.