Another marking mainly for non-editing folk, mimicking foam that can form in horse's muzzle while e.g. riding - many horses produce more saliva with a bit in mouth (I'm talking normal, proper use of bit, not abusive), I've heard of horses that foam even when they are ridden on a bitless bridle.
It's doesn't really look as I intended, but should do for now, I might try making a better one at some point.
Play with colours and opacity for results you like best :)

DOWNLOAD
Comes with custom thumbnail.
Head region, non-movable marking.
Shown over this marking.