How To Play Imported/Backup PS1 Discs on PS2 Slim

I understand this video may be of a relic to the majority of people, but there are still active users of the PS2 and I recently have installed a flip top cover on my PS2 slim, and I will show you a quick process on how to play imported or backup PS1 titles on a PS2 slim, the flip top isn't required, you just need to cover the sensors that fool the system into thinking the disc tray is closed for this to work effectively.