Tom Yendell and Peter Longstaff are good at thinking on their feet. They have to be: Both were born without arms. But both still became painters, thanks to the extraordinary dexterity of their toes.

Tom Yendell has been a professional artist for more than 30 years. Based in Hampshire, UK, he paints vibrant, graphic images on canvas and silk. Unlike most fine artists, though, Yendell creates every ...