What texture of coat did a good working terrier require for the Highlands?

Answer

A harsh, weather-resistant double coat

The climate and working conditions in the Scottish Highlands demanded a specific type of protection for the dog's skin and body temperature. A good working terrier needed a harsh outer coat combined with a dense undercoat, forming a double coat system. This structure was crucial because it provided effective weather resistance, allowing the dog to shed water and dirt easily, enabling it to quickly dry off after emerging from damp earth and return to work without being hampered by excessive moisture or grime.

What texture of coat did a good working terrier require for the Highlands?
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