Honestly, it is a horrible design - the hanging cap makes it close to impossible to pour out a drink without it getting the liquid into the cap - meaning you need to wipe off the bottle after screwing it back on (if it's say milk or juice).
Also makes the flow more likely to go down the bottleneck too. Not to mention trying to drink out of the bottle with the cap still attached and getting in the way.
Pretty much you need both hands now for a simple task of pouring out or drinking out of a bottle !! One hand to keep the cap out of the way.
Just constantly annoying - I started cutting them off. I never lost a bottle cap in my life - who is this made for?
Apologies for the rant, but I am wondering what am I missing here.