Hi MingChao! The product is looking great! I would try to add a bit more edge loop around it, a quick way to do it is to use smooth tool under mesh menu. But love the driven key tho!
Nice and smmoth animation for your product. And I am agree with Jason that you may add some more edge loops around it. But it may affects your blendshape. If so just leave it there since it’s quite nicely done already.
shi_mingchao 
Hi MingChao! The product is looking great! I would try to add a bit more edge loop around it, a quick way to do it is to use smooth tool under mesh menu. But love the driven key tho!
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Nice and smmoth animation for your product. And I am agree with Jason that you may add some more edge loops around it. But it may affects your blendshape. If so just leave it there since it’s quite nicely done already.
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