We're trained using 3D-Maneuver Gear to kill Titans. It's this device someone came up with... like...

[He doesn't have the gear, the blades or the gas tanks, but he still has the harness straps on, over his military uniform. He gestures to them.]

With these and a set of cables you can use your body weight... I think that's how it works? I didn't fucking pay attention in the written part of class. You can basically propel yourself through the air and kill shit at high speeds.