the bus was it vibrated a lot it had an engine a big engine at the front that was somehow loose that made the whole bus vibrate yes and so clearly what was happening was the flock on the material was at an angle and it was an angle facing upwards yes so it was slick yes the seat was kind of like this and the flock was like this and so the penny couldn't go down so when it vibrated well when it vibrated this way it will go up and he couldn't vibrate down so that was what was making that making it move up did you actually pursue the