Major flaw in corksikle. Great tumbler, horrible lid. Gasket is a mold magnet and impossible to clean after the rubber gasket gets to be a week or 2 old. After 2 weeks the lid slider cover was so loose it wouldnt even stay closed (just a cheap plastic lid). Yeti + mag slider lid has everything beat.

Major flaw in corksikle. Great tumbler, horrible lid. Gasket is a mold magnet and impossible to clean after the…

If you want to take this to the next level give binaurals a try. They have a carrier of white noise (so you get the benefit), in addition there being some actual science based research around how alternating tones can alter brainwaves. For reference, see iDoser.com or the Monroe Institute.

Or try stepping up your game with binaurals. Way better than white noise. http://iDoser.com is the way to go for that.

I-Doser.com - has had this service for a decade. But you buy per track and own as opposed to yet another monthly service fee.