Let's see if the mother-in-law listened to my list of stocking stuffers ;-) On my list was a few cans of FF spray. I hate to buy the spray cans myself because I normally only buy the gallon can...but there are occasions when a spray can would be handy, like in automotive use and some household applications. I'd still like to find a reasonable solution to using the stuff that comes in the gallon can in some sort of portable spray bottle. I know....it's thick and that's the problem. My solution lately has been to just brush it on if I can. Sometimes that's not possible or practical. For bigger jobs like the mower deck though, the air compressor and undercoating sprayer is the only way to go.