Pig in a blanket would be some hot dog variant.
Pigs in a blanket is a variety of different sausage-based foods in the United States
I love hot dogs!  Do you? I'm indifferent to them, but can tell you that they go by frankfurter or frank. I thought frankfurters were different than hot dogs - like higher quality meat? I'm not sure about that sorry but I can tell you there are hot dog variants like a pig in a blanket. or a corn dog. oh that's interesting!  What's pig in a blanket?
Hot dog variants include the corn dog and pig in a blanket.