Originally Posted By WDW4
Originally Posted By lori
That's pretty much every water bottle and hydration bladder out there...

True, Lori, but my particular invention, if it comes to production, will fill a need not currently met by other water bottles. A need specific to mountaineering and high altitude backpacking.


Since I"m not aware of any such need, that should be interesting...
"In the beginner's mind there are many possibilities. In the expert's mind there are few." Shunryu Suzuki