"No, I'm doing it!" Adora shouts back, repaying the favor by mashing the keypad as much as her reach allows. Her arms tangle up with Catra's in a flurry of thwacking limbs, only getting them farther and farther away from opening the door, and so Adora decides on a change of tactics-- locking both arms tight around Catra's waist, and closing her teeth, this time, around the tip of Catra's ear.