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It is very dangerous to use the bent electric wire. If it is used for a long time, the electric wire can be damaged triggering the fire. The existing wire is very inconvenient because it is not flexibly bent.
Bend charger minimize damage of wire which caused frequent folding by applying to principle of bending part of straw. It use flexible elastic material. It increase safety because it prevent peeling off sheath of the wire.
Cheonan, South Korea