True, you can try this and that. But the highlight of the build is the higher Dexterity and lower Strength. The rest, magical gadgets etc., you can use or not. I would appreciate if a Dex based Barbarians would be valid, but it is suboptimal in my opinion. As abilities are a fundamental decision, I would not recommend such a way, except we get respecc options later (which we probably will).
BTW one item I would change is Helmet of Grit. It's nice to get a bonus action, but it is dangerous. You can get killed or weakened badly before you can fire Rage by a crit (recently my char had 2 hp left after the first turn ...), I would prefer a metal helmet.
