if I may... I don't have Sony but I do have Gecko cover for the Kindle. I normally always fold it back when I read and twist the clasp up to clip it together and it does not dangle anymore. Then I put fingers inbetween both sides and press button with the thumb.
If that is not clear explanation I'm sorry, it's 5 am here, I'm not native English speaker and I'm having a sleepless night
