I mosey the beach and avoid them because they look downright evil, like they wouldn’t only give your foot a pinching sensation if stepped on, but probably suck your foot, leg and whole being into the depths of hell if given the chance. Upon further inspection they’re actually really brittle and not that scary at all, but what the hell are they?
This little guy is known as mermaid purse. Mermaid purses are egg cases for clearnose skates, a type of sea ray that has no venomous stinger but may have sharp thorns on its body.
Go on. I know you can go about your Friday much easier knowing this now.