About: http://webisa.webdatacommons.org/194712170

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	Both single blade, FIG. 4, and double blade, FIG. 6, designs can be employed, however, it is believed that short cutting blades, i.e. less than 2 inches, with less than about 4 barbs would be best suited to this invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com