The feather-fall-turned-trap-improvement thread reminded me of a recent discovery: a scroll of trap creation is a great poor and desperate man's escape (before you have ?dd, ?tl, ?teleport).
I recently found myself in a dead end room (disconnected stairs) with a pack of hounds I wasn't prepared to deal with barreling down the hallway. I stepped out of LOS, cast create traps, detected traps and, lo, I had my choice of teleport trap or trap door. I jumped down the trap door, problem solved. Sure, it took 3 turns, but if you know you need to escape and have some time, ?createTraps is a real win.
I recently found myself in a dead end room (disconnected stairs) with a pack of hounds I wasn't prepared to deal with barreling down the hallway. I stepped out of LOS, cast create traps, detected traps and, lo, I had my choice of teleport trap or trap door. I jumped down the trap door, problem solved. Sure, it took 3 turns, but if you know you need to escape and have some time, ?createTraps is a real win.