3:00 IT because your using the snot wrong in that situation your suppose to use the little pin on the black of the plate if it has one there 2 type of 2 x 3 smooth plate one has pin under and some don't which is able to slide 5 different places
One more comment… maybe staple some Velcro around the base of your city so that you can put a lower curtain around it. Just trying to help your RU-vid algorithms with some sensible ideas