Cappy

One can say that it is easy to carry a little soft-drink bottle (0,5 l), holding it in a most comfortable way. But what about 2.0 l bottle (of Cola for example)?

A walk with a 2.0 l Cola can be more positive use «Cappy».
You can carry the bottle easily and comfortably holding it by Cappy with your middle and forefinger.The cap can't be lost even when turned off as it remains holding on a flexible fastening.
The handler turns independently of the cap and the bottle.