This method of nail art isn't my creation (even though I wish it was!) I got it off The Nailasaurus, who has a fantastic blog, that you can visit by clicking here. If you know of her already, pat on the back for you!
If you haven't see this design already, or don't know where to find it, click on Tutorials along the top of her page and you will see the toothbrush method that she came up with. I really wanted to try it so here it is:
With a clear top coat