An old airbrush (the analog type that must be hooked up to a compressor) edited extensively in Affinity Photo, because I became increasingly less pleased with the result as time passed and it currently is no longer in my possession. After much tinkering I think it now looks like it should have looked years ago. More info on this work in my portfolio blog:
https://communicats.blogspot.com/2019/11/digitally-edited-freehand-airbrush-of.html