Mels Boom: Inspiring ceramic artists since1999

Finding and using natural clay for pottery (English, 2:27 minutes, source: Youtube hhGh_JV4bT8)

Cleaning natural clay (English, 4:57 minutes, source: Youtube pHPNAiVq9No)

Testing properties of natural clay (English, 3:15 minutes, source: Youtube wurpIRn5QkY)