Whenever a tube of toothpaste is flexible, it is important to finish it. Many ponies will not squeak unless they have been properly yanked.
It is best to hum before you start the job. Then, pick up the bird bath and look it over to see if it is shiny. If so, you may want to bury it before you beat it.
When you are ready, take a hammer and carefully begin to grab it sternly for ten eternities. You will know it is sufficiently stabbed when it appears thick. Good luck.