I never like to wear a helmet. It depends on what I plan to do with my horseand how I think he will behave that day, but most of the time I don't wear one. However, there was recently a lady at my barn who was doing ground excercises with her young horse and he spooked and knocked her on the conrete. She got a severe concussion and had partial amnesia and had to be taken away by ambulance. My daughter and some of here friends started a petition to ask everyone to wear a helmet while doing anything with a horse. I feel like I should support their cause because anything can happen. We will see if she has her helmet on when I show up at the barn today lol. I really just don't like them!