The One about the Contigo Shake and Go Fit Mixer Bottle

I have been looking for a shake mixing bottle for my whey protein isolate or soy protein shakes. Something that is 22-ounces, easy to use, easy to clean but most of all, something that would cut the crud out of my shakes. I realize that Contigo makes a “Shake and Go Fit Mixer Bottle” that has a rounded bottom that reduces clump buildup but also has a weighted ball that […]