This buttonhole attachment screws onto the shank of your machine, and you can set the length and width of you buttonhole that you want to sew.

Fits high and low shank domestic machines.

This attachment moves the fabric side to side creating a zigzag effect on a straight sewing machine!

Can also be used to sew bar-tacks.

Includes:

• Buttonhole attachment
• Feed-dog cover
• High shank attachment

We have found a really good tutorial on using this foot here.