e2089c51_le_Retrospective_Resource_Wiki__Use
[Name] 6 Thinking Hats Retrospective [Summary] Uses De Bono's 6 Thinking Hats to investigate process improvement [Approx. Duration (mins)] 60 [Use] 
General use, but also a good alternative to shuffling card type retrospectives
Retrospective Plans - Agile Retrospective Resource Wiki
Use