Was playing on Mirror mode, never seen that before https://www.twitch.tv/nukecorruption/clip/FurtiveHorribleWatermelonTF2John-ZgZMGsSZLPRCaV_k

Wow, that's a very strange jump. I wonder if it has something to do with the Mirror Mode. I don't know if the jump has potential for saving time though, because when you land you don't have a good spot to do the boost. I'm going to try it when I have some free time to spare.

very nice jump !