Learn to braid one of the OG Homecoming Braids for your Mum or garter. This tutorial will show the 3 ribbon center version.
30"ish Braid Ribbon Measurements:
Using 3 (#3) Ribbons as center: Make the center ribbons the length desired for braid. The weaving ribbon using #5 ribbon (doubled or not) should be 3.5 yards in length.