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Commonly the edge of a knife is exposed.The parents who have little children usually hide the kitchen knives or put them in high places in order to avoid the children to get knives and hurt themselves .
We designed a kind of kitchen knife knife has foldable handle and the the blades can be encased after using.
step1:Fold down the handle
Step2:Slither the ripply part of handle to pull the protective casing open.
Step3:The edge of a knife is covered by protective casing..
It can be effective to avoid the child to play knives and hurt themselves accidentally.
Beijing Institute of Technology