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The video likely worked due to the satisfying and somewhat graphic nature of the hoof cleaning and trimming process, which appeals to a niche audience interested in animal care and veterinary procedures. The use of a recognizable cleaning product also adds a touch of familiarity.

The video shows a close-up of a horse's hindquarters being cleaned with a spray bottle labeled 'Zep'. It then transitions to a farrier working on a horse's hoof, cleaning and trimming it with various tools.