Hi All, for those who have tried the magnetic core bobbins do I need anything else other than the bobbins themselves? is there a special bobbin case or anything else I need. Thanks in advance. Ron Vinyard Body Cover / Magic Stitches 1-888-435-0176 541-471-1504 fax 471-0427 420 SW H street Grants Pass, OR 97526 info@xxxxxxxxxxxxxxxxxxx www.bodycoverdesign.com