By binding plates I meant the discs. Are they set up vertical or horizontal. I wear a size 10 and left the canted beds as close together as possible. Not sure of the footprint of your boot if you need to extend the bases for your toe and heel.
As far as your front straps. Mine are locked in towards the rear. They don't move per say. They should be locked in the notches and not moving from the front position to the rear position.