The idea is that these stay in a repeating command block and the mob seems to be you. The problem is that the items you hold still appear and the mob doesn't hold it. I though, "No problem, I can just use some testfor commands." I set up commands to check which hotbar slot the player is on, and since the series is a roleplay, the hotbar will be preset. Anyway, after setting this up, I realized I had no idea how to make the mob switch items. I did some digging online and found nothing useful. The testfor command is here if you're wondering: