A great how-to for a water bottle holder, that can even hold your smartphone too. This is a fun project that can be easily customizable with different size bottles, tape colors, and even secret pockets for your favorite device.
this one sounds even easier to make: bubble snakes = easy quick craft. Cut the bottom off water bottle. Put old sock over bottom and duct tape. Add food coloring for fun. Dip end in dish soap mixed with a little water