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Woollen clothes shrink when wet, so shouldn’t that also mean that sheep should also shrink in the rain? Watch this video and let us know about your thoughts in the comment section below. Subscribe to ThoughtCtrl for more awesome videos: Insights of the Video: The shrinking of woollen clothes is actually result of a process known as felting. And to know about felting, we need to first learn more about wool as a fibre. Wool is made up of amino acids, which are basically the building blocks of protein. Just like human hair or fingernails, the wool that grows on a sheep is keratinized, meaning that it has been hardened. Wool fibres on a sheep have flat, overlapping scales pointing away from the sheep’s body. However when these fibres get processed and turned into clothes, they get stretched out and the scales can then point in any random direction as it all gets mixed up. Sheep also produce a natural oily substance called lanolin. It covers thei