What is the difference between a “real” flatlock stitch, such as the stitching found on purchased activewear clothing, and the flatlock I can make on my home serger using a three-thread overlock stitch? Are these interchangeable?
Master the Three Thread Flatlock Stitch for Quilt Piecing - over
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Serger/Overlocker mock flatlock seams sewing discussion topic
Joanne Banko's Blog
Overlocker for Beginners—The Essential Overlock Stitch - WeAllSew
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Master the Three Thread Flatlock Stitch for Quilt Piecing - over
Press – FehrTrade
Serging 101: Understanding Your Serger - WeAllSew