ODM gear would require a Scout to be insanely accurate when firing their grapnels. A Scout would also need to propel themself towards targets with great accuracy. ... This wouldn't be possible in the case of firing grapnels, which is a big problem.

How does ODM gear work?

Usage. Soldiers using ODM gear The simplest move possible with the ODM gear is simply aiming and firing the grapple hooks at an object and then activating the gas mechanism to reel oneself toward the said object. ... The gas mechanism is so powerful that it can stop a person from falling without using the hooks.

Is it 3d maneuver gear or ODM gear?

The Three Dimensional Maneuver Gear (立体機動装置, Rittai kidō sōchi^?), also called Vertical Maneuvering Equipment or Omni-Directional Maneuvering Gear, is a set of gear developed by humans that allows great mobility when facing the Titans in combat.