Caroline Curtains Jersey - This is Rufflette's Tempo heading tape, which creates the forward wave as the drawcords are pulled up. This is shown with a pole , but it can work
Transparent Wave Tape for Ripple Fold Curtains, 3 Wide Wave Tape for S Fold Curtains - Etsy
Curtain Heading Styles | Ada & Ina
Roomserve Translucent Wave-Effect 3" deep Curtain Heading Tape for Wave tracks - 10 metres : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Arts & Crafts