And if this doesn't convince

They are also great for marking text in course literature and other books as they have a short drying time

Properties: archival

mix it down 75% medium and 25% paint

on the run otr 012 s superflow empty squeeze marker 10 mm Skel And if this doesn't convinceThe OTR. 012 S Empty Superflow squeeze marker comes with a 10mm round nib and empty squeezable body. Unscrew the lid, pop out the nib, and fill it with any OTR refill Soultip paint, marker paint, Hard To Buff ink, Flowpen ink, whatever you're running. Squeeze pressure controls your flow. Press hard for heavy output, ease up for thinner lines. Also works with most other paints, inks, or liquids if you want to experiment. Refillable body means you keep