With a vague resemblance to the tortoise a few days back?
The holes in this made it resemble a bead, to be strung on leather for a piece of nature’s jewelry. The shadows in the sand — cast by the rock as well as the edges of the sand itself — were intriguing to me. Those layered edges at the bottom almost seem like a smiling mouth.
I get cricks in my neck and shoulders from looking down so much. I have to remember to look out at the horizon, across the waves, and up at the sky every so often!