The student attaches the red & blue Joy-Con controllers to the  Joy-Con straps.
text: Yeah. That was it.
text: You have to slide it in from the top again.
text: No, what? Ah, ah wait.
text: Now what?
text: They're the same, so...
text: It's actually the other way around, It's upside down.
text: So you can flip it.
text: Yeah, and then slide it.
text: Yeah, but...
text: Maybe try from the bottom.
text: Yeah, ok.
text: And then, there's a lock button, the white lock button on your left-hand side. You press it up to lock it, please.
text: Nice work.