Some from the old forum:
Kick bear traps to disable them harmlessly (does NOT work with mines

)
Wait with the 's'earch command when enemies are approaching. This takes less time than hitting '.' so that you always get the first hit in a fight
With those meteoric steel chests, if you don't have strong enough legs to break the locks, you can use a wand of striking. (Just hope there are no bottles in it or they will shatter)