I've happened to come across several writings about what you should and shouldn't do in adventure games. That made me remember some illogical stuff in one adventure game I once played, but I can't remember what the game was exactly! Here's what I remember: during the game you pick up three sticks of wood (or maybe staff would be more appropriate) which all have roughly the same appearance. The bad part about this is that you can have all the sticks in your inventory at the same time, but they are all used for completely different things and are not interchangeable, for no apparent reason. I think one of the sticks either used to be or was used as a handle for an axe or shovel or something. And this has nothing to do with getting three sticks for the rite of AshKente in Discworld 2.