>>1784321I have sewn four cloth loops on the corners, attached cords to those, and put
https://www.aliexpress.com/item/4000969982097.html at the ends so i can adjust the tension and height once i'm inside. Then you make small holes at the same four corners and run a line horizontally inside. You use the line to tuck in the edges and lock with four
https://www.aliexpress.com/item/32260135974.htmlIts a two hour project if you never used a needle before. Pic related is same ~underquilt~ with the cordlocks loose.