Bingo!
First thing i did when this plastic piece broke off, was try what you suggested. Unfortunatly the whole point of that piece is, like you said, to keep the break from moving forward the upwards. Unfortunatly without this piece, getting the break to stay in its right spot while taking your boot out is next to, if not totally, impossible.
The problem with my break being like this is, well, it wont break. When i take my boot out the break doesnt deploy as it should, which means if i were to eject, i might aswell wave good bye to my ski as it fly's down the run.
To whoever suggested crazy glue, would this hold up in cold temperatures? Again, i only need this to stay together for tomorrow night and possibly on the weekend.