Dear all, I need some more help, as usual. I have recently been trying to scan some of my seldom seen Cyphoma snails so everyone can catch a glimpse of them without complex literature, and I have encountered a problem. Although I have no problem scanning the base, I have so far been faced with failure trying to scan the dorsum. Can anyone give me some tips on how to scan the dorsum successfully, without it rolling over? I would be grateful if anyone can offer help. Thanks, James