You don't need to watch all of it. But see how when he starts hitting along that central crack it breaks it with one swing. But yet when he's just pounding it he needs 4 or more.
Easy for me to say, but I bet if he'd started by working his way along just the crack, then given the other two a pry bar or something to dig under a bit to create a void it the rest would have smashed up faster and probably into bigger single pieces.
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https://www.youtube.com/watch?v=w9DbICsil_o
You don't need to watch all of it. But see how when he starts hitting along that central crack it breaks it with one swing. But yet when he's just pounding it he needs 4 or more.
Easy for me to say, but I bet if he'd started by working his way along just the crack, then given the other two a pry bar or something to dig under a bit to create a void it the rest would have smashed up faster and probably into bigger single pieces.