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Whenever winter come, More people look for warm places and heating devices, and especially,
many people look for handwarmer which is portable and mobile among heating devices.
However, its deficiency is that it cannot be used when it is really
necessary when one holds heavy shopping bags after shopping. The grip can be put around the handle of many and heavy vinyl bags or shopping bags so that it would help one to comfortably hold them without hurting the hand. Also, it can be utilized as handwarmer at normal times and as portable LED lantern which can shine when it is dark. The grip can be used by recharging through reciprocating motion.
Cheongju Univ.
Cheongju-si, South Korea
Cheongju University
Uncheon-dong, Heungdeok-gu, Cheongju-si, South Korea