Drawstring
A drawstring (draw string, draw-string) is a string, cord, lace, or rope used to "draw" (gather, or shorten) fabric or other material. The ends of the drawstring may be tied to hold it in place (and/or simultaneously close an opening). Alternately, the drawstring may be kept drawn using a cordlock. Typically, the drawstring is loose when not being used, and tightened when needed during use.