Interesting idea. How do you prevent the music stand from tipping from wind? I thought of something like this, but thought that the stands would be too heavy to

Interesting idea. How do you prevent the music stand from tipping from wind? I thought of something like this, but thought that the stands would be too heavy to carry around, if they would large enough to be stable enough. Also, the stands are short -- you can't really work standing, can you?