How Do Wild Horses Trim Their Hooves?

https://www.besthorserider.com/how-do-wild-horses-trim-their-hooves/ With the BLM Mustangs gaining more media presence and celebratory events held on the east coast for island ponies, many people wonder about equine maintenance in the wild. Horses are sensitive creatures requiring lots of hands-on care. However, the very nature of how we keep them is why horses require so much from us. For example, how do wild horses trim their hooves when our farriers come out every 6 weeks like clockwork?