Originally Posted by
HouseDragon
I use Superior Threads' Bottom Line in the bobbin all the time.
The bobbin will last almost all the way through piecing a single-bed size quilt. Best of all, it also results in perfect straight stitches.
My machine is a Husqvarna 875 Quilt.
Thanks for the tip on the Bottom Line, I'll be sure to use it on this mystery too!