minuspoon / teaspoon

minuspoon is a tea-spoon, which you can use for coffee or tea.
Diabetes is one of the most common diseases that occur today, and the number of diabetics increases constantly. The number of people who know diabetics and worry, also increased.
With minuspoon you can see a little sugar mountain, as with the usual spoon, when putting sugar on it.
Therefore, the user can be visually satisfied, but he actually ingests less sugar.