(Flip Flop), attached the removeable "left" wire to the "right" driver, and vice versa for the other one. There's a "tiny" bump at the end of the wire and the driver unit, make sure they line up with each other to avoid out of phase sound, wear them like the pictures show.
Advantages: flat, doesn't stick out as much, sturdier fit, best seal for best sound result. ENJOY. Check out UE's site for better pics and instruction: Ultimate Ears - super.fi MOD