It’s interesting what you see in the photos: there are no written instructions on what to do, but people are curious. At first, they seem indifferent, but then they approach and ask for information from those who do it. The poor bull is showing signs of wear, and the mosaic has been damaged where the heel is placed. It’s a phenomenon that amuses and intrigues, a “viral” in the old-fashioned way, as we would say today on social media. The child wanted to try it too, but the parents didn’t allow it—I’m not quite sure why. Thank you for giving me the opportunity to explain better!