A top set on a spray can to make extremely thin lines! After use, wipe off the excess paint so you can reuse it. The paint is collected on the top of the can so it can easily be messy! Wear gloves!
We recommend using a skinnycap, for example, Level 1, because pressure. All cans that have a color ring (donut) on the top, must be removed before use! But its easily removes with a screwdriver or such.