I learned this about a year ago it's an easy trick to do.
You can use this to impress someone and other more.
i have a record of 4 minutes spinning it on my finger.
Here is a link of my video
Pls. rate and comment this instructable
Step 1: Materials
The materials are:
Step 2: Start
you first hang the toothbrush on your finger
Step 3: Spinning It
While hanging it on you finger spin your finger the where the bristles are pointing and spin it in a circular movement.