Do these things work well? Seeing one for $25 on Amazon. It looks like you have to put some large steel bbs in them? Not sure. There are also nail polish shaking machines that seem to be of two types: one is the “strap the whole bottle down and shake it” type which is at the low end of lab vortex mixers, and then there is a “grab it by the top with a rubber adaptor” type which is cheaper. Those are like $10 but I don’t know if they have an adaptor that would fit a juice bottle or not. My arm is tired though. Thinking about this one lacking better advice:
Some deep nerd action btw
Some deep nerd action btw
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