![Image](https://i.ibb.co/ZhZN3DX/images-2.jpg)
![Image](https://i.ibb.co/yhcQc7P/images.jpg)
![Image](https://i.ibb.co/xqs42GD/1335601-75adf08888b23de559a52b472626c778.jpg)
Maybe it's for UV protection. Maybe the extra weight helps stabilize them in stronger currents. Whatever it is, wild urchins are known to wear shells and other objects like hats. So if you 3-D print an urchin hat... you get the cutest thing I've seen all week!
Thank you to the Weirdest Thing I Learned this Week podcast for the cool fact!