Categories Juki New Sewing Machines Serger Juki 6714 4 Thread Overlock set up for sew Lycra Material. Post author By SewingMachineMiami Post date January 5, 2018 No Comments on Juki 6714 4 Thread Overlock set up for sew Lycra Material. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Tags Juki, Juki Sewing Machine