If one was to tape the edge of a CD jewel case to stop it opening, you could use a piece of bluetak and stick it pretty much anywhere. Also good at head height. And what about a sticker on saying 'Take me ah ha ah-ha'.

Sorry, yes i have been thinking about all this faaaaaaaaaaaar too much,

i must stop mixing home-made red wine with moonshine 'cause those mushrooms are realy getting to me.