seems like an iffy situation like what would happen i fyour knobbing someone and your parents come out into the hall they see you with your penis through a door handle and a friend tugging on it.
That's a shit ton of effort to go through to get your friend to touch your dick. Then you can laugh and call him gay because he touched your dick. Honestly somebody is going to notice and kick where the door knob was really hard and break somebody's dick. Or open the door with icy hot hands.