oh i see lol... i had a friend like you, liked to keep his hands free on the road, he would hold it in his lips... (i held my ciggy in my hand as i drove, so auto was just a PITA to me)
i would worry about your usb cord being to thick to hold like that.... (they are to stiff and heavy imho)
i think slopes had a fix to this problem with one of his battery PTs