If you absolutely need to lie on the ground, then you might as well have the proper ground coverage. The Pizza Towel will have you lounging in style, while it protects you from the filthy Earth, or that always intrusive beach sand.
The awesomest towel ever is currently available in Pepperoni, with a Vegetarian and Supreme option coming soon. The Supreme towel is for serious lying.
[link, via Incredible Things]