About: http://webisa.webdatacommons.org/253853678

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	However, in some embodiments, where ring 122 is not required to maintain its shape, but mainly assist in retracting spikes 124, the ring may be made more flexible.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com