I know its not much help but for the ret pallys that still clear kara for gold there is a nice little bug with Torment of the worgen
Torment of the Worgen - Item - World of Warcraft
Any time you have the book on you and you judge light the book will proc, every time and if you're speced for a lower judgement cooldown the proc from the book will always be up.
Hard to show with screen shots so ill upload a video next time I do kara.