About: http://webisa.webdatacommons.org/367391478

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Each of the elastic members is, in turn, attached to an anchor which is removably fastened to the stationary object, e.g. a door, a doorway frame, or sandwiched between a closed door and the doorway frame.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com