Originally Posted by
Pam B
I have been told in quilting classes that one should NOT use pre-wound bobbins for piecing or normal sewing as the thread on them is not of the same weight as what you are stitching with on a spoil. They are meant to be used for embroidering.
They have cotton ones that i buy from my LQS that are the same weight so this isn't true. There are embroidery one and regular cotton ones you just have to make sure you know what your buying