Morton Hot Salt is not listed on the company's website as of 2015. The product is also not listed for sale on Amazon.com. For a substitute to this seasoning, Amazon.com offers Ass Kickin' Habenero Hot Salt, Ass Kickin' Chipotle Hot Salt and Tabasco Spicy Salt.
If you want to make your own version of hot salt at home, Food.com offers a recipe for Marty's Hot Salt. The recipe calls for 26 ounces of regular salt, 1 1/2 ounces of ground black pepper, 2 ounces of ground red pepper, 1 ounce of garlic powder, 1 ounce of chili powder and 1 ounce of Accent seasoning. To make this seasoning, simply mix all of the ingredients in a large bowl, place it into salt shakers and use it like regular salt.