As a reaction to the last post the awesome powers of the Fountain pens strike back with a vengeance, Multi function fountain pens :
the Food chain
Unique in its tail design and sharp nib, works equally good while drawing as at the put throwing Darts.
Revenge of the Sea
One more in our line of multi function pens, this one is an excellent mixer as well as a drawing tool. Be careful not to mix them though.