Concrete needs buffering. Otherwise, it remains woefully unbuffered, and then the rest of your day is shot to hell. But sometimes high-end construction equipment has other plans. Sometimes it loses its ever-loving mind, and the end result is fifty shades of sheer mayhem. This buffer, perhaps not so coincidentally, is one of those buffers. Fortunately, its renegade antics have been caught on video, replete with some delightful peanut gallery snark from a couple of wisenheimer onlookers.