Hemline Bulky Seam Aid. (Also known as a Humper Jumper)
If you have problems going over thick seams with your sewing machine, this handy little tool is a must.
Pop it under the back of your presser foot to keep it horizontal and it will help you over thick seams and layers and prevent uneven stitches or broken needles.
Use also for creating a button shank when sewing on buttons.
Code 138
