What causes protein powder to clump up when not mixed immediately? - Quora
Threw a bunch of dishes in the sink, the whisk and blender bottle ball turned into an impossible puzzle. : r/blackmagicfuckery
YAOJING Stainless Steel Protein Shaker Stainless Blender Mixing Ball Blender Bottle Ball for Protein Blended Drinks, Ball Protein Mixer Sport Fitness Shaker Bottle Cup Wire Whisk (Pack of 10) : Amazon.de: Health