Viscose (known in the US as Rayon) often elicits very strong feelings. Some sewists hate this material, while others see its benefits. I remember back
Tips for Sewing Rayon, Viscose and Tencel Fabrics - WeAllSew
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Tips for Sewing with Rayon - Pattern Emporium
Sewing slippery fabric - Sewdirect
Viscose fabric: what it is, characteristics and lots of sewing
A Guide to the Different Types of Viscose Fabric
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Viscose fabric: what it is, characteristics and lots of sewing
Sewing Stretchy Fabrics - 3 Simple Steps for Success!