http://blog.athico.com/2013/12/drools-60-workbench-and-editor-videos.html

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6 workbench introduction videos. Watch full screen at 720HD. Press Play All.
http://www.youtube.com/playlist?list=PLb9jQNHBKBRj9IJkc_F5nCJAvXaegOGW8

7 editor metaphor videos. Watch full screen at 720HD. Press Play All.
http://www.youtube.com/playlist?list=PLb9jQNHBKBRipbtadRC-UaUObjwp0aBHJ

KIE Workbench

Drools Editor Metaphors