"Knot style" refers to the way a knot is tied or arranged, usually in terms of its appearance. It describes the specific technique used to create a knot and the shape it takes. Full definition
Blending a design with elements of classic bracelet and bangle, the model presents an adjustable chain fastening with a lobster clasp and a front knot styling which stands out with its sparkling Swarovski crystals. (polyvore.com)
I tried a few different knot styles before deciding that the «bunny ear» method of knotting seemed to look the best. (darlingdearestblog.com)