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In your daily life, you may have an experience to face some problems when you cut off a dull edge of a cutter.
When cutting off a dull edge of a cutter, it would be a danger to you because anyone doesn't know where it would bounce.
Moreover, when dropping it on the floor mistakenly if you grasp it with your hand , it may be more dangerous.
Anyone can use it easily and safely by bending it simply when cutting out the blunt edge of the cutter because it is designed as the principles of the lever and fulcrum. As the edge being cut is within the cutter, anyone can use it safely and handily more.
Chungju-si, Chungbuk, South Korea
Gyeongsan-si, Gyeongsangbuk-do, South Korea
Hanam-si, Gyeonggi-do, South Korea
Seoul, South Korea