Get rid of the high pressure air hose.
Find another way to flush the brains out, if it's that important to do so. Or find a way to deal with the skull, without messing with the brains at all.
Myself, I can't stand sweetbreads.
Sweet breads are the thymus gland. Not the brain. Used to love them when a child way-y-y-y back in the fifties. Doubt I’d eat them now that I know what they are.