The student inserts the red joy-con controller onto the joy-con strap.
text: There are a plus and a minus sign on both, on both the joystick.
text: No, this isn't right. the joy-stick is a plus, so take the red one.
text: Yes, from very top, also lock the white part at the bottom.
text: The joysticks, there's a white small button on the
text: Yes, push it up, okay.