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Flex Review: Wingsung 629 XXF Semi-Flex Nib
Ink Flexibilities Ink Flexibilities

Flex Review: Wingsung 629 XXF Semi-Flex Nib

This flex nib review features a Wingsung XXF semi flex nib, which is modified by my friend Xian. As always, I have included details of all flex parameters for this flex nib and provided writing samples to show you how this professional tool can do.

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Flex Fountain Pen 101: What is Snapback from a Pen Writer's Point of View?
Ink Flexibilities Ink Flexibilities

Flex Fountain Pen 101: What is Snapback from a Pen Writer's Point of View?

In contrast to an artist’s point of view, I have discussed what snapback is as a pen writer and noted a common misconception in this post. Many writing samples are also included in this post to help you determine snapback performance of a flex nib. If you are interested in flex fountain pens or fountain pens in general, don’t miss out on this article!

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Flex Review: Pilot 742 SM Nib Transforming into a Modern Wet Noodle Flex Nib
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Flex Review: Pilot 742 SM Nib Transforming into a Modern Wet Noodle Flex Nib

This review is about Pilot 742 SM nib with full flex modification and needle point grind by CY. For people who followed me on Instagram may have seen how flexy it is already, but this post will dig deeper and review how it does with other parameters. I’ll also include an updated comparison chart of all my other flex nibs for reference in the end.

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17 Modern Flex Fountain Pen Nibs Comparison [Updated in 2025]
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17 Modern Flex Fountain Pen Nibs Comparison [Updated in 2025]

The most comprehensive modern flex nib review and comparison you can ever find on the internet! This post aims to provide comparison between different parameters of 17 modern flex nibs, including Magna Carta Mag 600 flex fountain pen, FPR #6 steel and 14k gold ultra flex, Pilot 912 FA, Pilot 743 FA, FPnibs steel and 14k gold semi flex, Bluedew flex, Secretary of de flex, nibmeister-modified flex nibs, and more. [Updated in 2025]

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