Matchy Matchy Sewing Club on Instagram: "Want to sew the free wavy vest but worried about the binding? We've got you! Here are our tips for the perfect wavy binding. 1️⃣ For the concave curves, or inward dips, gently stretch the bias binding as you sew, so it hugs the curve. A little bit of tension helps to remove slack and prevents puckering. 2️⃣ On the convex curves, or outward peeks, do the opposite! Avoid stretching the bias, and instead let it relax so there is extra ease. That extra give a