Don't know how to proportion out food to the masses? Then this partitioner is a dream come true. Check out Animi Causa's precision divider.

All you need to do is jam it into the center of a dessert and make an initial cut and line up the guides depending on if you want to divide them into 6, 8, 10 or even 14 pieces. It's going for $14. [Animi Causa]