Brian Patterson is responding in flat mode. I followed this conversation when it was ongoing but now it would take some time to try to reconstruct it. It was he suggesting that ramps were used and that the "ramp" pictured constituted evidence of it.

Ramps just keep coming up like an Escher drawing;



Sometimes it feels like playing Whack-a-mole. Ya can't kill 'em cause they're in peoples' minds. Once you believe in ramps and sweaty bumpkins ya' just can't stop.