Got home from Wales last weekend with a bit of driftwood from Aberaeron beach wedginfg one of my rear halfshafts in. It had decided to migrate outwards so we lost drive as thwe splins drifted out of engagement. A small piece of wood wedged between the wheel and the drive flange got us back to base and then it crumbled away, so to get back to the east midlands I sacrificed the wooden handle of a wire brush and drove home with all the confidence of knowing there was a decent piece of hardwood between me and disaster on the motorway. New screw-on cap drive flanges fitted now, so that should keep 'em in situ for a while.