Is it ok to load a horse in the trailer without a car attached to it? I wouldnt like hook it up with my horse in it

- I would just practice loading my horse. I would make sure all the wheels are chocked (spelling?) or blocked with pieces of would of course!!

Thanks, oh and my horse might like ummm hit the trailer with her head (yes it is protected!) so ya- WE ARE HAVING TRAILER LOADING PRBLEMS SO SHE MIGHT YA KNOW uhhh do something?