I've heard other people mention various types of sponges for this role.

Kirk in HMB, CA

On Thu, Jul 30, 2020 at 12:23 PM John Ruth  wrote:

> GG’s
>
> Wedge-shaped Cosmetic Sponges are also useful as paint daubers.  Hold the
> narrow end, and dip the wide end in a shallow puddle of paint.
>
> You can invert the lid of the paint can to hold the puddle.
>
>

-- 
Kirk Eppler