SpaceX is known for its innovative designs that cut corners in any which way they can to cut costs in order to make space travel as cheap as possible. SpaceX will now catch Super Heavy rocket boosters using a launch tower arm using grid fins to take the load. In simpler words, the launch tower arm will literally catch the boosters. Up until now, SpaceX landed their boosters but this new strategy will conserve more fuel.
SpaceX CEO, Elon Musk tweeted this a day before New Year's Eve: