along with the improvement of many designs, it is really hard for people to put forward better and cleverer products, but happily juyeon kim, jinbeom kim and jinseung lee have managed to offer us a new package design that promises a more convenient use.  it is the ez opener, a redesign of the can opener that features an extra handle for people to pull. undoubtedly the ez opener would save the users some energy to open a can, but on the other hand it inevitably needs to cost more metal or other materials.