Crumbs!
Because they can't reach the high notes. Bonus: how does dwarves communicate? Smalltalk.
So they can reach their head!
A bananosecond
You can't dip a vampire in your tea.
It was feeling a little crumby.
Elf and safety
If you don't C sharp, you'll B flat.
ME: *crumbs tumbling from my mouth* Oh, I don't. I was just walking by and saw you had donuts.
Crackers always leave crumbs.