That does sound like it work work really good. Is this the clear?
https://www.amazon.com/dp/B091X4FC6B/
I've not found the satin black, but several other flavors of black. Only flat black and "deep flat black". Satin black is out there as 2401S, just not found it other than WalMart. That stuff isn't cheap - $28 for 4 oz? Is it available in a spray can? If liquid what do you use to spray with?