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.

For the Java programming language method drawString, see Java (programming language) § Special classes.
A modern reproduction of a medieval turn-shoe with a drawstring
Hoodie with drawstring
Chalk bags with drawstrings

A drawstring may be threaded through a hem or casing (a continuous tube of material) or laced through holes, which may be lined with eyelets.[1] It may also be laced through loops attached to the material, in the same way that belt loops are. A very wide, flat drawstring becomes a belt.

Hazard

In 1996 the United States Consumer Product Safety Commission (CPSC) issued guidelines for drawstrings on children's upper outerwear to help prevent children from strangling or getting entangled on the neck and waist drawstrings of upper outerwear garments, such as jackets and sweatshirts. Drawstrings on children’s clothing are a hidden hazard that can lead to deaths and injuries when they catch on such items as playground equipment, bus doors, or cribs. From 1985-1999, the CPSC received reports of 22 deaths and 48 non-fatal incidents involving the entanglement of children’s clothing drawstrings.[2] In 2006, the CPSC issued a letter to manufacturers, retailers, and importers of children’s upper outwear garments, urging them to make certain the garments do not have hood drawstrings that can pose a strangulation hazard to children.[3] Several product recalls due to possible strangulation hazards have occurred in recent years.[3]

Similarity in nature

In biology, a type of protein in the Rho family of GTPases heals wounds by contraction, much like a draw-string being pulled to close a bag.[4]

Ojime (緒締め), a marking on a kohaku (an ornamental koi/carp fish), is named after the Japanese word for the drawstring of a pouch or purse.

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gollark: @everyone is very annoying.
gollark: Use an xkcd proof.
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gollark: No, because the memories are of course mixed with those of the other genetic contributor and scrambled during the development of the new baby's brain.

References
  1. "Definition of DRAWSTRING". www.merriam-webster.com. Retrieved 2016-04-02.
  2. Guidelines for Drawstrings on Children's Upper Outerwear Archived September 22, 2010, at the Wayback Machine, Consumer Product Safety Commission (retrieved 21 August 2010)
  3. Drawstrings Archived June 13, 2010, at the Wayback Machine, American Apparel and Footwear Association (retrieved 21 August 2010)
  4. Brock J, Midwinter K, Lewis J, Martin P (1996). "Healing of incisional wound in the embryonic chick wing bud: characterization of the actin purse-string and demonstration of a requirement for Rho activation". J Cell Biol. 135 (4): 1097–107. doi:10.1083/jcb.135.4.1097. PMC 2133375. PMID 8922389.
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