Do you wear wrist guards? Are wrist guards good for beginners only? Or do they have an application in the snowboard park too?
And what about styles? The type that go inside your glove can be difficult to fit sometimes, but at least they give you the freedom of glove selection - to a point. There are also over-glove-designs and built-in-glove designs. These are going to be a more "guaranteed fit", but you're more limited in your choice of gloves...
So, snowboarding wrist guards... good for lots of low impact falls, keep you going on the hill. There's a good article here: