A:Answer Wear a mechanics glove to avoid injury, i belt the outer side face down with the inner slider facing up while applying pressure to both sides with my thumbs pushing it outwards away from the body. The bigger grommet on the end should be the rear which you’d be safer having face you. Once they slide out to stop, you’ll locate a spring, move hand hold to separate so you can attach the screws to the framing. Once you mount the putters to the desk and the inners to the tray, it will slide right in with minimal effort, make sure the rails line up, fully close to feel it go over a lip keeping it in place and retract back out and it shouldn’t come all the way out until you relocate the springs again for disassembly.