How to make seedbombs

Heavy Petal: How to make seedbombs: "This past weekend, Al from my guerilla gardening group led a seedball-making workshop. I loved it; it was so satisfying just to get my hands muddy and spend a couple hours in a zen-like trance rolling seedballs... I highly recommend the process! Here's the recipe: 5 parts dry red clay* 3 parts dry organic compost 1 part seed** 1 - 2 parts water"