Assertion: american surfer | /r/CapableOf | fasten the keel
Facets:
value: to a surfboard
type: TRANSITIVE-OBJECT
value: in 1935
type: TEMPORAL
value: from an old speedboat
type: OTHER
Source sentences:
text: The American surfer Tom Blake was the first to experiment with adding a fin to a surfboard, fastening the keel from an old speedboat to a surfboard in 1935.