The Noble Scratch: Why I Tune My Nibs to Sing, Not Whisper

By The Nib & Ledger ·

In a world obsessed with glass-smooth nibs, I'm here to make a heretical claim: feedback is not a flaw. It's the heartbeat of the instrument. A deep dive into the physics of the "baby's bottom" problem and why I intentionally tune my nibs to sing, not whisper.

In the hand, a fountain pen should have something to say—not just about your thoughts, but about its own presence against the page.

There's a peculiar orthodoxy in the fountain pen community that I find increasingly difficult to abide. It goes something like this: "A good nib is a smooth nib." You'll see it in reviews, in forum threads, in the anxious questions of newcomers who've bought their first pen and worry that it "feels scratchy." The assumption—that glass-like smoothness is the apex of nib performance—has become so entrenched that we've forgotten to ask whether smoothness might actually be a defect.

Mind you, I'm not talking about the jarring catch of misaligned tines or the sandpaper drag of a damaged tipping point. Those are mechanical failures, full stop. I'm talking about feedback: that gentle, tactile resistance that tells you, with every stroke, that you're actually writing something.

The Physics of the Baby's Bottom

Walk into any pen shop and ask for something "smooth," and the clerk will likely hand you a pen with what we in the repair trade call a "baby's bottom." The term refers to a nib whose tipping material has been polished into a perfectly rounded profile—like the bottom of an infant's foot, smooth and featureless.

In theory, this should glide across paper. And it does, until it doesn't. The problem lies in surface tension and capillary action. A properly shaped nib tine has a precise geometry: the tipping material is ground to create two distinct surfaces that meet at the "sweet spot" where ink transfers to paper. When that geometry is over-polished into a continuous curve, you lose the sharp edges that maintain consistent ink flow. The result? Hard starts. Skipping. That maddening experience where the pen writes perfectly on the downstroke but goes dry on the crossbar of a capital T.

I've tuned thousands of nibs at the bench, and I can tell you: the baby bottoms I correct almost always come from expensive pens. Manufacturers know that buyers in showrooms test pens on poor-quality paper with heavy hands, and a glass-smooth nib feels impressive for thirty seconds. The long-term writing experience is another matter entirely.

The Sensory Engagement of Resistance

Here is what I believe, and what I've come to through years of daily writing: feedback keeps you honest.

When a nib has proper feedback—that pencil-like resistance, that subtle scritch-scratch against the tooth of good paper—your hand receives constant proprioceptive information. You feel the texture of the page. You sense the pressure of your stroke. You remain connected, moment to moment, with the physical act of creation.

A whisper-quiet nib, by contrast, induces a kind of disembodied trance. I've watched writers with over-polished nibs press harder and harder unconsciously, trying to feel something, until they're embossing the page. The feedback loop is broken. The pen becomes a stylus for digital thinking rather than a tool for analog engagement.

There's research in ergonomics suggesting that tactile feedback improves retention and creative flow. The hand thinks, as the architect Juhani Pallasmaa wrote, and when we numb it with excessive smoothness, we sever a cognitive channel.

Tuning for Song: A Practical Guide

So how do we achieve this noble scratch? If you've purchased a pen that feels too smooth—or worse, skips from baby bottom—here's what I do at the bench:

1. Diagnosis under the loupe. I examine the tipping material at 10x magnification. What I'm looking for is the characteristic rounded profile that lacks distinct writing surfaces. If I see a continuous curve instead of a defined contact point, I know I'm dealing with an over-polished nib.

2. Micro-mesh correction. Using 12,000-grit micro-mesh, I create what I call "figure-eight strokes"—writing motions on the abrasive that re-establish proper geometry. The goal isn't to make the nib rough; it's to restore the edges that capillary action requires. This takes patience. Fifteen minutes of careful work, checking frequently under the loupe.

3. The paper test. Tomoe River 52gsm is my diagnostic standard. It has enough tooth to reveal a nib's true character without being abrasive. A properly tuned nib should leave a consistent line with a sound—yes, sound—that I can only describe as a confident whisper. Not silence. Not screech. A song.

4. Ink pairing. Wet-flowing inks like Iroshizuku or J. Herbin complement feedback-forward nibs beautifully. The generous lubrication balances the tactile resistance. Dry inks, conversely, can make a feedback nib feel truly scratchy. This is where The Trinity—pen, ink, and paper—must be considered as a system.

The Philosophical Objection

I know what some of you are thinking. "Julian, you're romanticizing imperfection. Modern manufacturing should deliver smoothness."

To which I say: when did we decide that the absence of sensation was the goal? We don't demand that a violin bow glide soundlessly across strings. We don't expect a wood plane to cut without the shush of steel on grain. The tools of craft have voice, and that voice is part of the meditation.

A fountain pen that whispers nothing against the page is a pen that has been silenced. It writes, yes—but it doesn't participate.

The Verdict

Is feedback for everyone? Perhaps not. If you have motor control conditions that make tactile resistance painful, or if you're filling out carbonless forms in triplicate, you may genuinely need the glide of a polished nib. Tools must serve their users.

But for the long-form writer, the journal keeper, the poet drafting by window light—I submit that the noble scratch is not a flaw to be engineered away. It is the heartbeat of the instrument. It reminds you, stroke by stroke, that you are doing something deliberate, something that requires presence, something worthy of ink.

The next time you pick up a pen and it catches ever-so-slightly on the page, pause before you declare it defective. Listen to what it's telling you. Feel the conversation between steel and fiber.

That, dear reader, is the soul of the thing.


Current Inking:

  • Pen: Pilot Custom 823 (Amber), Medium Nib (tuned for moderate feedback)
  • Ink: Iroshizuku Tsuki-yo (Moonlight)
  • Paper: Midori MD Notebook (Cotton)
  • Bench Project: Tuning a 1950s Parker Vacumatic with over-polished "51" nib geometry

Correction at the Bench: None. The physics stand.