About: http://webisa.webdatacommons.org/375848129

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	The upper loop 18 may have a fastening lip 17, shown in FIG. 2, with such fastening lip 17 providing a place for a nail, screw, or other fastener.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com