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This product applies to the toilet doorknob that people finally touch, while going outside after using the toilet.
If you lower the doorknob as usual to go outside, the disinfecting fluid connected with the inside of the doorknob is sprayed towards user's palm.
So it relieves dirty or unpleasant feelings that you have, because of remaining moisture smeared by others, even though you washed hands, and helps to keep yourself clean after using the toilet.
chungju-si chungcheongbuk-do, South Korea
Seongnam-si, Gyeonggi-do, South Korea