After being washed, the fusible interfacing (pellon, iron on, woven cotton, shape flex) in my collar/cuffs has this terrible bumpy texture. Is this just the nature of fusible, and I should be

Pellon SK135 Sheer Knit Fusible Interfacing 20'' White

You SEW Girl: A few hints for using interfacing

PREMIUM QUALITY INTERFACING: 100% cotton One-sided fusible interfacing can be fused with a hot iron with ease. The iron on interfacing will fuse

PLANTIONAL Woven Cotton Iron-On Fusible Interfacing: 44 inch X 2 Yards White Lightweight 100% Cotton Single-Sided Interfacing for t-Shirt Blouses