The Art of Self-Defense (2019)

Character mistake: Casey is sixth of six male students standing in a row to individually demonstrate a karate move for Sensei. After the fourth student, Sensei passes up student #5 and says, "Next. Casey." Sensei completely missed the fifth student, the only other beginning white belt like Casey. (00:28:45 - 00:29:10)

KeyZOid

Casey: I need something that can fit into my hand.
Gun Store Owner: It sounds like you're after a handgun. How about something like this?
Casey: Yes. This is exactly what I'm looking for. I can hold it in my hand quite easily.