Final Spraying and Back-brushing

but Jonathan tieu you're using one of those tightened high-efficiency airless tips aren't you so I'm so far I definitely I can see from the video not as much overspray what do you think way way way less overspray so I think Titan says up to 50% more I think it's even more than that so usually I wouldn't use as big of a tip light as this this is a 517 usually use a 515 and try to have less this still has I guess about 60% less overspray than a grey coat 515 would these I can see a back brush in there why don't you tell us what the importance of back question is in your own opinion so it looks better and last longer look like Popeye huge so there