PEI’s shores are full of interesting finds, including holey rocks like this one. At first glance, you may think this stone was shaped by waves and tides, but the creators of these holes are biological, not physical. Rocks like this are sometimes called witches’ stones, hag stones, or adder stones, although those terms are more commonly applied only if one or more of the holes passes all the way through. According to legend, witches’ stones bring good luck by letting only good