Spiral cutting a hot dog is pretty simple and all you really need to cut hot dogs into spiral cut hot dogs is a pairing knife.
To spiral cut hot dogs is pretty simple once you get the hang of it and all you need to do is.
Take the pairing knife and nuzzle the paring knife up to the side of the hot dog making sure to start at the top and at a roughly 45 degree angle.
Next using the thumb of your pairing knife hand to keep the hot dog firmly and yet gently pressed to the blade, twist the hot dog with your other hand and continue doing so until the hot dog is spiral cut all the way.
It may not be perfect the first time or second time but with practice you can make perfectly spiral cut hot dogs with ease and it usually takes only about 30 seconds per hot dog.
If you don't want to spiral cut the hot dog by hand you can get a tool from Amazon to spiral cut hot dogs.
It makes it easier to spiral cut hot dogs using the spiral cut hot dog tool on Amazon.