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Prickle Eraser, designed based on shape of a sea urchin, is created to erase in greater detail.
Some parts sometimes should be erased in detail during writing or drawing,
but the problem is that common eraser usually becomes disfigured and loses its edges as it is used.
However, many thorns of Prickle Eraser make it erase delicately every single part in detail.
Korea Polytechnic University
Gyeonggi-do, South Korea
Korea polytechnic university
Gangbuk-gu, Seoul, South Korea
Hongshik Kim Myounghae Hyun