Get inspired with Bernina's July Accessory of the Month. Save 25% on Bernina's High Thread Tension Bobbin Case. Simply stop by the Quilt Quarters store Monday through Friday 10 a.m. until 6 p.m. and Saturday 10 a.m. until 5 p.m. in the month of July to take advantage of this special deal. You'll also find over 6,000 bolts of fabric in our store and large selection of Bernina machines.