Cut ins.  Cutting in is an acquired skill, but it’s something you can’t do at all with a ratty brush. A good paintbrush is key to a professional-looking finish. When cutting in on a wall, load your brush and spread out the excess paint, then work the brush up to the line between wall and ceiling.  For more tips visit us on our YouTube Channel “idahopainters”  www.idahopainter.com