Comparing Schmincke & Nitram Liquid Charcoal for Drawing

See a professional artist's first reaction to Schmincke Liquid Charcoal, specifically compared to Nitram Liquid Charcoal. What are the specific ways these 2 brands differ? Demo with Art Prof Clara Lieu Join our Patreon group where you can share your art in weekly voice sessions with staff, get critiques from Prof Lieu, and find support in a small group of artists: https://artprof.org/support-us/