The most interesting thing you will notice when you replace your vent dry brush with a boar bristle brush is that lint collects in the brush. One day, when you think about it, where was that lint that should've been in the plastic brushes? Ha, it stays in your scalp causing a papier-mâché matting effect contributing to a 'Gluehead' look.
Demonstrates how useless vent brushes are.
Shocking to think there are two generations that are unaware.