SIDA OII #00003 (Open Invention Initiative): Three Strings Mask

Title: Three Strings Mask
Inventor: Jason Leow (Invention was disclosed in SIDA WhatsApp committee group chat on 2 Feb 2020)
Note: This is an open invention. The inventor is giving away this invention to the general public for free. The inventor only seek for an acknowledgement in his invention effort.

Click here for YouTube link

Click here for YouTube link

Three String Mask Version 2.0

Search: three string, mask, face mask, 三弦, 口罩, 面罩, China, WuHan, coronavirus, COVID-19, 中国, 武汉, 冠状病毒