It's rude to cut in front of others in line.
Claire is at the front of the prison commissary line and Amber is at the end of the line.
Amber doesn't want to wait in the line for very long.
Amber walks up to Claire and explains that her need is an emergency.
Amber walks towards the front of the line and stands in front of Claire.
Claire asks Amber what she needs and buys the items for her, saving her the wait time.
Claire pushes Amber and both prisoners end up getting punished for their behavior.