This is the first refillable fountain pen that sent me on the road to collecting and using fountain pens: The Fountain Pen Revolution (F.P.R.) Indus Clear Demo with gold-tone accents. This is not an expensive pen by any means, it’s made in India exclusively for F.P.R., an Indian fountain pen distributor located in Arkansas, USA. The Indus is a clear demonstrator made entirely of transparent plastic except for the gold-toned metal clip, ring and stainless steel Extra Fine nib. It’s a piston-filler which is filled with ink by twisting a knob on the end of the pen which draws the ink into the ink reservoir. The Indus is lightweight and comfortable in the hand. I keep my Indus inked with Waterman Serenity Blue fountain pen ink and it’s always within easy reach on my desk. For a basic no-frills pen, the clear Indus Demonstrator is just a fun pen to use. I enjoy watching the ink slosh around inside and being that it’s clear, I can observe its internal working parts.