"Hang In There!" Hangman Game Magnet

Hang in there, word-puzzle fans, at least long enough to decode this encouraging message! The iconic, if macabre, Hangman setup of a nearly-completed stick figure suspended from a scaffold. All of the letters but one have been filled in -- as have all but one leg of the hangman! Which letter could it be .... Hangman caption reads, "Hang _n there!", and the "used" letters are scrawled in the upper right corner with slashes drawn through those not present in the message.