On the left hand side of the playfield is the wire ramp popper (#31 in the playfield parts manual) how do you get it back in. Seemed to come out easily enough but now I feel it's one of those puzzles you find hanging in bars (the piece is bigger than the hole, how does the d@*n thing go in). What's the secret? IMG_20111231_144217.jpg IMG_20120102_162357.jpg