The student assembles the wheels.
text: So there's actually a bearing between the two, between the wheel and the.
text: The, Yeah.
text: Between the wheel and the other flat part above the knot.
text: And you can just turn that part.
text: Hum, no, so on the other side, there's hum just a flat cylinder, kind of like a disc, that part you can turn.
text: Unable to *unintelligible*
text: So you can check to see if the shelf is level and if it is, you can tighten the wheels with the two branches.
text: So you'll use one branch to hold it stir and the other up to the two.
text: You can hold the bottom one still and then push the top one away, so turning it clockwise.
text: The other, the other way.
text: Exactly.
text: Nice.