Continuous feed paint brush - GIF

Continuous feed paint brush.

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Previously:

Book edge painting - GIF
Double-sided bowl painting - GIF
Hand-painting used car windshields - GIF
How a paintbrush is made - GIF
Paint mixer from PVC - GIF
Paint roller cleaner - GIF

I've used self-feed rollers to good advantage. This brush is a good idea... why didn't I think of it?

I invented the airless paint sprayer in my mind on my way home from work one day. When I got home I started to look at the newly delivered Popular Mechanics magazine, and found an ad for the airless sprayer that Wagner beat me to.