This product has too many different names such as: bobbins for brother sewing machine, supreme slider for freemotion quilting， bobbins plastic, bobbin holder for singer sewing machine, viking magic, pfaff bobbins, sharon schamber,coats genie crafts, bobbins for viking, genies tailor,magna glide bobbins, magic bounce, bobbins for sewing machine,genie arm,sewing magic,yellow water soluble bobbin washer, bobbin,pleater machine,studio machine,elna bobbin case,magic bobbin motion,supreme slider,dream by genie com,super bobs prewound bobbins,bobbins brother sewing bobbin case,circle magic quilting,smocking pleater machine,bobbin for juki,unimac washer parts, bobbin buddies,little genie magic bobbin washers, little magic drop in bobbin gems free,automatic bobbin,supreme slider for quilting,sidewinder bobbin,washer majic,chum slick,drop in bobbin sewing machines, teflon disc,supreme slider queen,bobbin holder singer,lace bobbin kit,genie case, bobbin holders,magic genie,super slider for quilting, bobbins, peels spool huggers,magna glide prewound bobbins, supreme slider king size class bobbin case,intarsia babylock bobbins,size bobbin holder,washer case,butter magic machine,bobbin buddy,dream baby genie