Yes they are very easy to get in and out. Next time bloody cumbersome. Next time very easy. One of those awkward shapes that usually goes in and out fine - but for some unfathomable reason, if you get it round a certain way, just doesn't want to budge
They usually come with bottom fixing brackets which fix where the front D rings are mounted. As previous post, no need to use these fixings as the seats hold the guard in place.