He started professional life as a lock at London Irish before former England coach Brian Ashton suggested a switch to wing at Bath, where Banahan moved in 2006.
Mike Phillips was immediately on the centre's inside shoulder and the final act was supplied by Walker, as the Scotland left wing appeared on the other flank to switch the angle of attack again.
It was former national head coach Brian Ashton who set Banahan on the path to success on the wing when he suggested his young charge contemplate a switch of position after spotting his potential at a junior academy Rugby Football Union training session.
"You run through a field and the paraglider wing catches the wind, it fills with air, blows you off the ground, you switch on the motor and off you go, you're flying, " he said.