Lock is the Frontrunner of Oogie Boogie's Henchmen or the Sneakiest of The Nightmare Before Christmas Trick-or-Treaters. He is Dressed in this Devilish Mask that Looks Like it's Straight out of Tim Burton's Vision. Just Snap this Mask on to Make Yourself Into One of the Three Trick-or-Treaters of Halloween Town. Want to finish your outfit? Check out our devil outfits to get the look from the movie!