People who try brand new things can sometimes run into teething problems with said products, simply because they are so new and the products have not been tested in all the situations that life can throw at them.
Unfortunately for Reuben, his parents a) have cameras (or friends with cameras), and b) aren't ashamed of capturing his early attempts to figure out how to live in the world with grace and poise. Having said that, he's so adorable, that he shouldn't be too worried about this picture (thanks Ralph) of his latest escapade in his Moses basket.