Noodler's Ahab - my first flex pen. But I'm not seeing the “flex” effect I was hoping for. Ink is OS Emerson (and I used gloves this time to fill it...) :
Noodler's Ahab Flex Nib Fountain Pen - Ivory Darkness White And Black, Fine Nib 15028
Noodler Ahab fountain pen review – Ian Hedley
Noodler's Ahab Flex Fountain Pen - Arizona
Noodler's Ahab Flex Writing Test
Noodler's Ahab Flex Fountain Pen - Ramstein
Noodler's Ahab + Zebra G Modification | raccoon*
Noodler's Ahab Flex Fountain Pen - Poseidian Pearl