there are a few other threads where DollarBill, myself and a few others have talked about it, and posted pix.
but the short version is get a set of 1" handlebar mirror clamps either on ebay, amazon etc.; plastic ones should run $5 ish, though if you wanna spring for real metal ones, they'd be better, and less chance of breaking on install.
take the mirrors off and screw them into the clamps. left mirror will become the right side, flipped (and vice versa). attach clamps to handlebars nearest to the grips as you can. then make minor adjustments. ie start with the clamps at vertical and move the top towards you /bottom away from you, so the mirrors won't hit the tank when you turn the handlebars side to side.