The intangible heritage of crafts and old techniques is often very threatened because the small pool of people still working on them in our industrialized society is diminishing. Documenting their techniques and practical knowledge is therefore an improved step in safeguarding this heritage. Together with Wendy van Wilgenburg, visual anthropologist and director of the Ambacht in Beeld Festival in the Netherlands, ETWIE organized the active and hands-on course "Bring your craft or technique into focus". In this article we want to share some do's and don'ts we picked up.