In an earlier publication, we presented the Diagnostic Intervention Model, which can be used as a guide in the design and conduct of interventions to foster harmonious interactions between children who are deaf-blind and their educators. This article demonstrates the use of the model in everyday practice and the effects of its application in two case studies, using team interaction coaching. Implications for everyday practice are discussed. (Contains 2 figures.) [Research for this article was supported by the Stichting Fonds voor Doven and the Stichting Kinderpostzegels Nederland.]