What does /fit/ think about this?Seems like with the turning action, it'll be easier to tense up your entire arm and work out the forceps also.
these are great for toning
The unnatural twisting motion of your wrists and shoulders is great for your muscles!When you feel your joints grinding in your shoulder, that means it's working!
>>461049haha. fat ass.
>>461039It's actually one of the only things on the T.V. that actually works.
do they... really... tone?