Whether you draw for fun or for a living, dual-tip markers are a versatile set of tools to consider purchasing. Different brands offer various tip types and combinations, with most pairing a larger tip with a smaller one for more intricate strokes. Many markers feature a chisel tip, which is great for both fine- and broad-edged marks as well as for calligraphy. Sharp bullet tips and brushes, which allow greater flexibility, are also common options. While not all markers are created equal, their unifying advantage is how they allow you to conveniently switch tools in an instant.
Source: artnews.com
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