When eating boiled shrimp, the sauce can be directly soy sauce with white vinegar and sugar, with this sauce to eat out of the shrimp taste is the most fresh. If you want the texture of the shrimp, eat a little thicker, add garlic, sesame oil, yellow bell peppers in it. You can also thicken the sauce a bit with a small amount of cornstarch and pour the sauce directly over the boiled shrimp so that it has plenty of flavor on the entire shrimp.
You can use mustard sauce and some is to put some chili sauce in it is also possible, so with a good.