For ceramic and glass paintings it’s usually advisable to use brushes with tank that allows to charge an elevated quantity of color, so that the user can easily carry out decorative lines without having to return to the palette of colors.
Long flat brush, Kazan squirrel hair. Nickel plated brass ferrule. Short wooden handle, black varnished.
Long flat brush, Kazan squirrel synthetic fibre. Nickel plated brass ferrule. Short wooden handle, blue varnished.