A certain member of our team, who just so happens to be the chief designer, has a grand fascination with the Norse Sagas, mythology, and culture. These two runes are actually not an F or M. They are the runes Ansuz (F) and Ehwaz (M). Ansuz has the sound of "ah", as in "Ash". Ehwaz has the sound of "eh", as in "Elm". So we figured a combination of these two runes was the perfect design to represent our company.