For the record, I do all kinds of things that people say I shouldn't. Ride in tennis shoes. Let my horse kiss people (if they ask). I lay down on my foal after I've got him down and relaxed. Thing is, he's MY horse lol. I handle him daily, and he trusts me absolutely. It's still no guarantee that I won't get hurt, I'm just not really worried it'll happen, and if it does, it's my own fault. If the person in question has no experience with the particular horse, they absolutely should not do it. If you trust the horse, fine, but as I said earlier, if you kneel before a standing horse, you're asking to be dominated. Not to mention that even a foal can seriously injure a big human. With enough time and patience, you can teach a horse to do just about anything you want. Except feed and water its' self lol.