Assertion: kayak | /r/MadeOf | seal skin
Facets:
Source sentences:
text: The first kayaks were made from seal skin, which was stretched over whalebones and the kayaker used a double bladed paddle to propel the boat forward.
text: The first kayaks were made from seal skin, which was stretched over whalebones and the kayaker used a double bladed paddle to propel the boat forward.