The student changes the old battery for the GoPro.
text: Yes, exactly.
text: And you can open it like a door.
text: The other side
text: You can pull it out to where  you pushed out already.
text: Where your left index finger is.
text: Yeah, that part.
text: You just pull it out so, to your left, towards you.
text: So we can pull out...
text: Yep.