For Montreal artist, Abou Dembele, art has rules. Dembele is prolific in the world of one-line art. Read more: Video of Toronto Blue Jays star Vladimir Guerrero Jr. trying to say ‘Saskatoon’ goes ...

The challenge is to draw an entire portrait using one continuous line without lifting the pen from the page. Each feature must connect to the next, making the process awkward and physically demanding.