Good call! Thanks.

​

For anyone reading this in the future, I found a pool cover with elastic fixture on amazon here:

https://www.amazon.com/dp/B09ML1129P?pd\_rd\_i=B09ML1129P&pf\_rd\_p=b000e0a0-9e93-480f-bf78-a83c8136dfcb&pf\_rd\_r=5VDY4XG8ZWY91NX0JF3W&pd\_rd\_wg=YceOS&pd\_rd\_w=4jF8D&pd\_rd\_r=b0541f96-4b5f-4406-a342-deea00043044