This is how you sign Extra in American Sign Language.

To sign "Extra" in American Sign Language (ASL), begin by forming both hands into flattened "5" shapes. Hold your hands in front of you, palms facing inward, with your dominant hand at waist level and your non-dominant hand at chest level. Move your dominant hand upward to touch your non-dominant palm while closing your fingers together, as if you are adding or combining something.