If you press attack during it at around the apex of the jump she adds a kick that can spike when it comes out and can kill if someone runs into it after its out. Stays out a long time, also acts as her 'recovery' jump when tethering isn't a good option (Which it rarely is).
My Creations in Modnation Racers! Check zhem!
http://community.modnation.com/en-us/players/IvoYaridovich/creations







