It is also known as a grakle noseband or a figure of eight. It is as said, designed to hold the horse's mouth closed but goes higher than a drop noseband so it does not interfere with a horses breathing.
I agree that you do not need half that stuff and Robinsons is very good.
Metal curry to clean your body brush.
Dandy brush
Hoof pick
Sponge (bought from any shop)
Sweat scraper if you are going to be working your pony very hard or bathing him a lot. (A piece of bailer twine works very well)
Now...