how many can I draw AT ONCE?...

Summary by Krater

The creator attempts to draw detailed portraits using a custom contraption holding 21 pens at once, comparing the results to single-pen and two-pen drawings.

From the video

Answers: What happens when you draw a portrait using 21 pens at once?

• Drawing with multiple pens simultaneously
• Self-portrait drawing
• Multi-pen drawing contraption building
• Portrait drawing comparison

What it concludes

• Drawing with two pens at once makes you twice as good at drawing.
• Drawing with 21 pens at once makes drawing far better and more efficient than drawing with one pen at a time.