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In general, existing torches provide front light for users. They are not friendly for partners who are behind the leader. In some situations, accidents could be happened since the followers may not have enough lighting. The innovative torch employs front and tail lights to serve the leader and the followers. The tail light could be rotated and sheds light in proper directions for the followers. The new torch illuminates not only the leader but also the followers and offers more safety for the users.
Chia-Yuan Pai Fong-Yi Liou