|“||Knaff. Population: 86. Trade: fishing, weaving and brewing. But... no slate mining.||”|
|— Hiccup reading about Knaff|
There is no description of this island, but based on the inhabitants' activities, the land is suitable for farming grains and supports grass, presumably for sheep (wool). The people of Knaff are known for their fishing, weaving, and brewing.
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