Just thought I'd jump in & mention that M-edge just came out with new covers that use corner straps (I, too, went through 2 covers where the clip broke, including my beloved tri-fold)... They work like a book like the Sony covers do. Not being able to hold it like a book was one of the reasons I didn't go with the Tuff-Luv case...
M-edge Executive Jacket for the PRS 505
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