Teach You Everything on Instagram: "The post shares a 21-second video of a worker demolishing an old clay chimney flue liner from inside using a hammer attached to a long rope, capturing the satisfying cascade of debris in a first-person view, which has garnered over 3 million views in two days. This technique, known as flue tile breaking, is a standard step in chimney relining to remove deteriorated clay liners that can crack over time from heat and moisture, often replaced with stainless steel