Brother Bobbin Work Kit BWRK1.
You can add remarkable stitching to your projects with this Bobbin Work Kit.
It is used to create reverse sewing with specialty threads and ribbons that won't fit through the eye of the needle to create raised 3D Stitches:
Included in the Bobbin Kit is: Adjustable Bobbin Case, Bobbin Cover, Instruction Manual, Small Screwdriver, DVD with 20 design plates.
For the Brother Machines: Brother NV1e, V7, V5, NV5000, NV2200, NX2000, NV1250, NV955.