Welcome to Ratchet & Clank Answers Wiki. What would you like to know?

To perform a twist mcmarx, (in blackwater city, for you'll get a skill point if you perform one there.) One needs to jump off the big ramp and press all four shoulder buttons of the controller (L1, L2, R1, R2) approximately 1 second. (4× flips 1440 degrees). You will be awarded with a skill point, your zoomerator bars filles up full, and you will earn 650 points in that race.