The button is a custom "boulder" shape made from polymer clay. The lacing is looped through the button then doubled around the mold forming the loops.
The weft is a heavy waxed thread doubled then plain woven through the leather warp. The warp ends are simply trimmed off.
5/8" (16 mm) wide
more like this:
1 button black leather bracelet 2934
leather braided bracelet black 3612
wrapped leather cord button bracelet 2781
Check the fiber+design section of WhatKnotShop on ETSY for this and a variety of similar designs.
design and photographs copyright 2017