. . . it is a "clobber mechanism."
Hat tip to Richard Wheeler.
BillingsGazette.com :: Gear Junkie: Company touts water bottle as 'hydration vessel': "This is not a water bottle. The KOR ONE, a new water-toting container made for outdoors enthusiasts, exercisers and everyday users, is indeed a 'hydration vessel.'
At least that's according to KOR Ideas Inc., the maker of these 1-foot-tall, elliptical flasks, which hold 25 fluid ounces of water and were purportedly designed with inspiration from 'the organic beauty of blown glass.'"