I recently picked up a Twsbi Kai, but I noticed that the section where you grip the pen is loose. It wiggles, and I am not sure how to fix this problem?

PILOT CUSTOM 823 - Plunger Type/TransparentBlack (nib

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edjelley.com - Fountain Pen, Ink, and Stationery Reviews » Weekly

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edjelley.com - Fountain Pen, Ink, and Stationery Reviews » Weekly

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My new Twsbi Eco EF nib is sliding as I'm writing, and I have to

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edjelley.com - Fountain Pen, Ink, and Stationery Reviews » Weekly

review – Hand Over That Pen

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Unboxing One of the Most Anticipated Pens of 2023 - Twsbi Limited

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