Much, much more useful than your 4-year-old nephew. Also arguably cuter?
If you can get a hawk to deliver your rings, what can't it bring you?
You see, this is why you shouldn't pay your ring bearers in sweets. They're obviously just after the sweets, no matter how cute they are.
If a flower girl gets to look like a mini-bride, why can't the ring bearer look like a mini-groom?