An appropriate device for supplying solid substances in small doses, characterized in that, either in the container containing the more or less pulverulent solid matter, or in its corresponding cap, one or more holes have been made forming a group on which can be folded at its outer end or outlet, covering them, a rotating insert around an axis conveniently arranged for such an object and provided with a number of barbs equal to that of holes, which barbs are appropriately positioned so that when the insert is folded down, each of the barbs can penetrate the corresponding hole. (Machine-translation by Google Translate, not legally binding)
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