On April 26, 2015, Pretzelmaker and Philly Pretzel Factory will be celebrating National Pretzel Day by offering a Pretzel for FREE for a limited time. To get your Free pretzel (standard salted or unsalted) at Pretzelmaker you will have to saying a Tongue Twister. For example: Pretzelmaker prepares perfectly pleasing pretzels for National Pretzel Day! Philly Pretzel Factory doesn’t seem to have any requirements.