How to Tie Chinese Button Knots. Part of the series: Knots & Knot-Tying Instructions. A Chinese button knot is an elaborate decorative knot used for clothing and woven using high-quality thread or string. Practice the Chinese button knot for a variety of crafts or sewing with instructions from a rock climbing instructor in this free video on knot tying. Read more: http://www.ehow.com/video_4807672_tie-chinese-button-knots.html