Do not drop violently,press with heavy objects. Correct Holding Way: Hold the middle-bottom of the cup gently with your finger pads; avoid pressing with sharp objects (like nails) or over-squeezing.

Do not drop violently,press with heavy objects. Correct Holding Way: Hold the middle-bottom of the cup gently with your finger pads; avoid pressing with sharp objects (like nails) or over-squeezing.