Question

operating a toothed section jack stand
raising
the cup of a toothed section jack stand can be raised freely. letting go of the cup will cause it to drop and stop at the next locking - point.
locking
this type of axle stand is locked when the cam in the top of the jack stand slides into the toothed section, preventing the cupped section from dropping further. if the cup is at the correct height, the steel pin is inserted as an extra lock.
lowering
check that the vehicle weight is not sitting on the jack stand, before lowering the cup. if the cup needs to be lowered, the steel pin needs to be removed from the jack stand. then hold the cup with one hand and move the steel handle upwards using your other hand. the cup can now be eased down.
the steel locking pin is removed.
what is important while lowering the cup section?
that the steel pin is held with your free hand.
that the steel operating handle is held with both hands.
that the cup is held with your free hand.

Explanation:

The text about lowering the cup section of a toothed - section jack stand states that when lowering, the steel pin needs to be removed first. Then, one should hold the cup with one hand and move the steel handle upwards with the other. So, holding the cup with the free hand is important.

Answer:

That the cup is held with your free hand.