Although there is such a thing as salt-less pretzels, called “baldies,” I would suggest that they’re really not pretzels at all, but rather cruel jokes perpetrated by bitter bakers. If you don’t have pretzel salt, coarse sea salt will do.
Alton Brown's Hot Glazed Bonuts Recipe: If you think you recognize this mixture from a certain biscuit recipe featured on a certain TV show, you’d be right. The difference: I fried it and glazed it. You’re welcome.