.
.
Marker
Pens:
They
provide a flow of regular ink. You can buy them in a whole range of
colours.
You
can buy marker pens that are soluble in water, which means they can
be watered down. You can also buy permanent marker pens.
.
.
Thick
marker pens:
The
create thick and expressive lines. They are not appropriate for drawing
details. You can try and use the tip of the pen to achieve fine lines
or with the thickest part of the pen.