About: http://webisa.webdatacommons.org/204038675

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 Westcott Speedlite ProGrip shows that someone was thinking about this problem and came up with a way to not just accommodate your speedlight, but also a modifier such as a softbox or umbrella and even a second shoe for your trigger.
http://www.w3.org/ns/prov#wasQuotedFrom	westcottu.com