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Pumping Plug / Pumping earplug

Pumping Plug
Pumping Plug

Since normal earplugs have same forms, it is difficult for people who have different ear sizes to wear. This problem is also applied to people who have curved ear or have different ear sizes.
So, my new product "Pumping plug" is safe item which can be used for every users.
Pumping plugs can be used by pumping it like people blow some air in a ballon.
If you pump rear side of product wing with your index finger, it swells to use.
Vice versa, if you pump front side of product, it shrinks. Also, external 8 bumps play a role as adjusting inside and outside of pressure
It is more hygienic and long-lasting because it is made of natural rubber.

University

DESIGNSORI ACADEMY

DESIGNSORI ACADEMY
SEOUL, South Korea

SO YEON PARK,
YONSEI UNIV.

KYUNG OK JEON,
HONGIK UNIV.

HYE YOUN SIM,
SEOUL WOMEN’S UNIV.

JU HEE LIM,
HANYANG UNIV.