Five Clever Uses for a Coffee Mug [VIDEO]

You know how much I love my coffee.  But do you know how useful a coffee mug can be once it's through bringing that bitter nectar of the gods to your lips every morning?Check out this video for some really neat uses for a coffee mug, besides holding coffee!

I've tried the music amplifier and microwave shelf tricks before; but I honestly never thought of the other ones!

What are some of your favorite life hacks?  Let us know in the comments!