Ply-split braiding is an ancient art that is practiced for making elaborate camel girths and other animal regalia of hand-spun goat hair, wool or sometimes cotton in northwestern India.
[1] In the introduction, she describes seeing two camel girths at Convergence 1974, and says that Peter Collingwood "suspected the pieces were produced by pulling one yarn through the ply of another".
[3][4] Today, the ply-split braiding technique is used by fiber artists to create handmade decorative items including neckwear, bags, household décor, garments and three-dimensional structures such as baskets and sculptures.
[5][6][7][8] Contemporary braid makers use a variety of yarns such as cotton, linen, hemp, silk, paper, or rayon.
A more easily accessible history is found in David Fraser's paper "View From The Shoulders Of Thar Masters: New Space For Ply-Split Braiding".