Below is my $1 invention! You know the little plastic tube inside of your paper towel roll? Well, I discovered that it can also be used for another purpose...

Simply snip one end of the tube using a pair of scissors...make sure it is the end of the tube that is slightly larger:

Next, take the tube apart and fill the inside with frosting:

Go ahead and write on top of a cake or decorate a cookie with the newly invented icing tube!

Take a peek at the cakes I have decorated in the slideshow now appearing at the top right of my blog! (Okay, so I didn't decorate all of these cakes with this toilet-paper-holder-turned-decorating-device but perhaps if I am in a pinch in the future, it just might come in handy!)