The best tutorial on YouTube to show you how to easily and effortlessly screen or re-screen your patio using FLAT SPLINE!
you can order them (the clips) on amazon - type in advanced screenworks screen clip system - it will come up as « lifestyle screens - screen clip system » they are $20.40
Link to clips:
https://www.amazon.com/Lifestyle-Screen-System-Patio-Spline/dp/B01MRSZIWR
Secondary link:
https://www.garagescreensetc.com/product/asw-screen-clips/