Do not just shove the cable in. Create a "U" shape loop of cable. Insert the bottom of the "U" into the manager's channel. The sides of the "U" go to the desk and the floor. This reduces strain points.
The kit includes mounting hardware and clear instructions. Note that it typically requires a desk thickness of at least 20mm to prevent screws from piercing through the surface. Expert Tips for Your Setup Plan First: Map out where your heaviest power draw is before drilling. Use Every Piece: automatic cable manager 18
Can the unit be mounted upside down? Many users need to mount the manager under the desk (for cables going down to the CPU) or on the wall (for cables going up to a monitor). Ensure the automatic mechanism works in both orientations without jamming. Do not just shove the cable in