It's a brush you hold in your hand to use.
When they use an air-brush.
You can use "hold steady" in a sentence like this: "Despite facing tough challenges, she managed to hold steady and remain focused on her goals."
Professional painters cut in with a good quality sash brush (tapered bristles), and a steady hand. If you are not so great a painter, you might want to use masking tape on the adjacent surfaces.
Yes, a coping saw is a freehand tool. The artisans who cut intricate designs with these little saws hold it and use like an artist uses his delicate brush.
You are a well-known artist; one quite skilled with the brush.
Andy Warhol is the artist who does not paint his own paintings.
A test of how steady a hand people have is to see who can draw the straightest line.
Use a vacuum cleaner with revolving brush nozzle. Use like the hand turbo brush of Hyla cleaning system
Use a spanner and a steady hand
If you want to put eyeliner on your bottom lash line, I suggest pencil eyeliner. And if you want to put eyeliner on your top lashes, use liquid eyeliner because it lasts longer, but you need practice and a steady hand for it to come out good (:
An idea would be, to use that brush and brush it....