There’s a word I’ve started using in my own thinking about performance that comes from a completely different field.
It’s “friction.”
Not the physical kind — the experiential kind. The small moments in a routine where something feels slightly off, where the pacing stutters, where the audience senses a discontinuity they can’t name. Where the flow of normal-feeling experience is interrupted by something that prompts a question, even briefly.
Those moments are what I spend a significant portion of my practice time eliminating. Not because they’re obviously wrong — sometimes they’re not obviously wrong at all. But because they wake the audience up.
And a wide-awake, analytically active audience is almost impossible to deceive.
The Click-Whirr Model
Robert Cialdini opens Influence with a metaphor drawn from animal behavior research: the automatic response. He uses the phrase “click-whirr” to describe how certain stimuli trigger fixed, automatic action sequences in animals — click, the stimulus; whirr, the programmed response runs.
His insight is that humans have similar automatic response programs. Not identical to animal ones — our programs are more complex and more socially constructed — but functionally similar. When we encounter certain triggers, certain behaviors follow automatically, without deliberate processing. We’re not analyzing each situation from first principles. We’re pattern-matching against learned schemas and running the appropriate automatic response.
Most of daily life operates this way. When someone asks “how are you?” we respond “fine, thanks” without evaluating our actual state. When a shop assistant in a uniform asks us to step back from a product, we comply. When a friend hands us something, we reach for it. These responses are automatic. They don’t pass through deliberate analysis. They are, in Kahneman’s terms, pure System 1.
Cialdini’s insight is that this automatic mode is the default — and that when something disrupts it, the disruption itself is loud and noticeable. Something feels wrong. The system switches modes. System 2 activates.
Why System 2 Destroys Magic
Kahneman’s System 2 — slow, deliberate, analytical — is the part of the mind that solves problems, reads contracts, weighs evidence. It’s also the part that catches tricks.
Not because it’s necessarily smarter about magic than System 1 — in many ways the opposite is true, since the best misdirection works on cognitive processes that System 2 has no access to. But because System 2 is the mode in which the question “how did that happen?” gets actively asked and pursued. System 1 doesn’t ask that question. System 1 just experiences whatever just happened.
Magic requires the audience to experience, not analyze. Experience is System 1. Analysis is System 2. As long as the audience is in System 1, they’re having a genuine experience of the impossible. The moment System 2 activates, they’re watching a puzzle.
The puzzle mode is not inherently bad — some performers deliberately work in a puzzle mode, and it creates its own kind of engagement. But the deep quality of genuine astonishment, the experience of something that briefly violates your understanding of how reality works, that’s only available in System 1.
The performer’s job is to keep the audience in System 1 as long as possible. Which means keeping the experience smooth, familiar, continuous, and frictionless. Which means not triggering the “something’s wrong here” signal that flips the mode switch.
What Friction Looks Like
Friction is anything that causes the audience, consciously or unconsciously, to sense a disruption.
The most obvious forms are mechanical: a fumble with a prop, a moment of awkward silence that doesn’t feel intentional, an action that draws attention to itself for no clear reason. These create visible discontinuities. The audience notices.
But the subtler forms of friction are what I’ve spent more time on, because they’re harder to detect and harder to eliminate.
Pacing friction: a routine that’s going at one speed and then suddenly speeds up or slows down for no obvious reason. The audience can’t name it, but they sense the rhythm has changed, and that sensing prompts a question.
Behavioral friction: anything the performer does that wouldn’t make sense if the situation were exactly what it appears to be. A glance in a direction that seems unnecessarily furtive. A moment of care with an object that seems disproportionate to its apparent significance. Actions that make sense to the performer but carry a signal the audience reads.
Attentional friction: directing the audience’s attention somewhere with enough force that they become aware they’re being directed. The direction should be invisible. The moment the audience notices that they’re being guided to look here rather than there, the guidance becomes counterproductive.
Emotional friction: any moment where the performer’s emotional state doesn’t match what the situation appears to call for. Too tense when everything seems fine. Too relaxed when something apparently surprising is happening. These mismatches register, even when the audience can’t articulate what they noticed.
Designing for Smooth Flow
The practical application of this understanding is designing interactions from the audience’s perspective, not the performer’s.
The performer always knows where the friction points are. They know which moment requires careful action, which passage is technically demanding, which beat is the one they need to execute precisely. The natural temptation is to slow down at these points, to be extra careful, to take just a little more time than normal.
This is usually exactly the wrong thing to do. Taking more time at a technically sensitive moment is a behavioral signal. It’s the equivalent of slowing your car down when you drive past a speed camera — technically you’re not doing anything suspicious, but the behavioral change itself communicates something.
The goal is to move through sensitive moments at exactly the same pace, with exactly the same affect, as the non-sensitive moments around them. The audience’s baseline for “normal” is the texture of the routine as a whole. Maintaining that texture through the difficult points is what keeps System 1 running.
This requires a particular kind of practice. You’re not just practicing the technical execution of the difficult moment. You’re practicing the emotional and behavioral texture around it — how you enter it, how you exit it, how the pace and the feel of it connects seamlessly to what came before and after.
The Conversation Model
The frame I find most useful for thinking about this is conversation.
In normal conversation, your attention flows naturally. You listen, you respond, you don’t generally find yourself asking “wait, was that person being suspicious just now?” The flow is continuous because the person is just… talking to you. Naturally.
The ideal performance feels like that. Not like a demonstration, not like a trick, but like a conversation that happens to include something impossible. The impossible thing should feel like it emerged naturally from the flow of the interaction rather than being inserted at a predetermined point.
When that quality of naturalness is present, the audience stays in automatic mode. They’re experiencing, not analyzing. They’re in the flow of a conversation that suddenly contained something remarkable.
The click-whirr is running. Everything is automatic. And in that automatic state, the impossible is fully possible.
Friction breaks the flow. Smooth continues it.
Practice smooth.