Ahem... not that I would ever do that... no sir, not me... could you explain the *correct* way? For the noobies who *are* doing it wrong, I mean, not for me.
Myself ... I take a bore brush (like you clean a gun barrel with) and clean my nozzle with it then spray a small amount non-stick on it … I use that stuff sparingly … but it works.
Powertig 200DX
Lincoln 180c
Hobart Handler 125
Miller Thunderbolt
and a bunch of other tools