Priming miniatures with just a brush? Yep that's Valid. With can

Why has my Primer (brushed on) come out looking like this? : r

WIP it good: first time using brush-on primer – Yore

Modeling a ragged on campaign look on 28mm British Napoleonic line infantry

WIP it good: first time using brush-on primer – Yore

Priming a miniature in -13 F

I need advice on brush on primer method. It doesn't seem to cover

What Primer Should You Choose? - Mini Painting 101

Miniature Painting Tip: How to Prime Miniatures