Preheat oven to 400.
Mix cinnamon and sugar on a plate.
Open tube and separate each breadstick.
Dip each into butter and then roll in cinnamon sugar.
Double over and twist then place on cookie sheet.
Bake 12-14 minutes.
Mix powdered sugar milk and vanilla to make a glaze.
Transfer to piping or zippered bag to drizzle onto each.