Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
When we use straw to pierce through covers, the tip of the straw often bends and fails to complete the task. Add a small cut near the top, we can remove the bended part and have a new sharp tip. Failed the first time? Dont worry, you can have a second chance.
Wang Li, Ying-hui Feng