What is the triangle thing on a hooves called?

You're likely thinking of the frog on a horse's hoof.

The frog is a triangular, rubbery structure in the center of the sole of the hoof. It helps with shock absorption, circulation, and traction.

Here's a breakdown:

* Sole: The bottom surface of the hoof, where the frog is located.

* Frog: The triangular, rubbery structure in the center of the sole.

* Bars: The ridges that run along the sides of the frog, connecting it to the hoof wall.

* Heel Bulbs: The soft, fleshy areas at the back of the hoof, where the frog is widest.

Let me know if you have any other questions!