Okay so i bought new Snafu Astroglide brakes. I'm trying to install them as rear brakes, but I'm stuck. I installed the bit at the rotor and layed them out to the cable stop on my frame. But then there is this part (I don't know what its called) which should make the dual go into a single I think? I'm suppose to mount it to the cable stop and so i did. But how do I get a single cable into the middle so that it slides to my brakehanger? Does anyone know what I"m talking about?