This is my absolute favorite for finishing knit garment hems. You iron it in and it stabilizes your sewing, but remains stretchy. Honestly, it's a miracle! HeatnBond Soft Stretch Ultra is a NO SEW, lightweight iron-on web adhesive specially designed to move with your stretch fabric while maintaining a strong bond! Ther
Interfacing and Muslin – Stash
Heat N Bond Iron - UK
HeatnBond UltraHold Iron-On Adhesive For Dark Fabrics Pack, 17 in
HeatnBond Tapes Ultra, Lite & Stretch > HeatnBond > Barnyarns
Fusible Web – Sew Hot