HALP. QUICK. Rolling pin!

Oh, you all, I am such a doofus.

I had the OH-SO-BRILLIANT idea to make cinnamon buns, but here I am now with a big fat DOUGH and no way to actually MAKE THE BUNS. Because I do not own a rolling pin. There must be something else I can use? Something cylindrical, but I cannot think of WHAT.

Any ideas?! I AM DESPERATE. Common household item... I tried a glass, but it's sort of cone shaped and it.. just didn't work...