Assertion: crampon's crampon | /r/CapableOf | hit the market
Facets:
value: a year
type: TEMPORAL
Source sentences:
text: A year after Eckenstein’s pioneering crampons hit the market, Italian blacksmith Henry Grivel helped Eckenstein make the product commercially available; two decades after that, Grivel’s son, Laurent, added two front spikes to Eckenstein’s design.