So... - The dog understands what the noise is. - The dog understands what is the machine that makes this noise. - The dog understands that this hair was shaved with the use of a tool that makes this specific noise. This is a really smart dog. No need for the people who made the video to procreate, if they managed to have such a smart dog.
Why are huskies so weird
the husky didnt realise what was going on and wanted attention. trust me i have one myself
Its just husky being husky