// GLOSSARY · HOOK

Hook

The opening moment of a video or the first line of a post, built to stop the scroll and earn the next few seconds of attention.

Last verified · 2026-10-23 · by Moe Ameen

Published 2026-05-22 · Updated

Short answer

A hook is the opening of a video or the first line of a post, written to stop the scroll and earn the next few seconds of attention. On Reels, TikTok and Shorts, it decides whether a viewer stays or swipes. Strong hooks use a bold claim, a visible result, a curiosity gap or an unusual first frame. Weak ones open with greetings or setup.

Key takeaways

  • The hook is the opening moment, and it decides whether people stay.
  • Bold claims, visible results, curiosity gaps and pattern interrupts work.
  • Greetings and "in this video we'll talk about" openers waste it.
  • Kompozy's Persona Brief has a reference-posts section to capture your own hook style.

What is a hook in a video or post?

A hook is the opening of a video or the first line of a post, and it decides whether anyone sticks around for the rest. On Reels, TikTok and Shorts, people choose to keep watching or swipe within the first moments. Two versions of the same video can reach very different audiences just because they open differently.

Common hook patterns that work: a controversial claim ("Most coaches are lying about this"), a visible result ("Here's the exact script that filled my calendar"), a curiosity gap ("This one setting on your phone is leaking your data"), a pattern interrupt (unusual visual or first frame). Common hook patterns that don't work: greetings ("Hey guys, welcome back"), context-setting ("So in this video we're going to talk about"), throat-clearing of any kind.

Kompozy's Persona Brief includes a "reference posts" section specifically to capture the hook patterns the user's voice naturally produces, so generated content mirrors them.

What does this look like in Kompozy?

A real short-form video from the Kompozy workspace. Watch the opening seconds to see the hook slot every short has to fill.

Real output · Kompozy Persona short format · from the Kompozy workspace

Who is this for, and who should skip it?

Best for:

  • Short-form creators on Reels, TikTok and Shorts
  • Anyone whose videos lose viewers in the opening seconds

Not ideal for:

  • Long-form viewers who arrived on purpose, where pacing matters more than one opening line
  • Clickbait openers the video never pays off

Frequently asked questions

What is a hook in video content?

A hook is the opening moment of a video or the first line of a post, built to stop the scroll and earn the next few seconds of attention. On Reels, TikTok and Shorts, it's the part that decides whether a viewer stays or swipes.

How much does the hook actually affect reach?

A lot. The hook decides how many viewers make it past the opening, so the same video can reach a very different audience depending on how it starts.

What hook patterns actually work?

Hooks that work include a controversial claim ('Most coaches are lying about this'), a visible result ('Here's the exact script that filled my calendar'), a curiosity gap ('This one setting on your phone is leaking your data'), and a pattern interrupt such as an unusual first frame.

What hook patterns should I avoid?

Avoid greetings ('Hey guys, welcome back'), context-setting ('So in this video we're going to talk about'), and throat-clearing of any kind. They burn the opening seconds, which is exactly when viewers decide whether to stay.

How does Kompozy capture my hook style?

Kompozy's Persona Brief includes a 'reference posts' section specifically to capture the hook patterns your voice naturally produces, so generated content mirrors them rather than defaulting to generic openers.

How do we know this?

We checked every figure and product claim on this page against the sources listed below on 2026-10-23, and removed or rewrote anything we could not confirm. We removed retention percentages we could not source. The Persona Brief detail comes from Kompozy's docs.

Sources

  1. Kompozy — Documentation (read 2026-10-23)

Related terms

  • Retention curve — A graph showing the percentage of viewers still watching at each point in a video — the primary signal algorithms use to rank video.
  • Short-form video — Vertical or square video typically under 60–90 seconds, optimized for feed scrolling and algorithmic discovery on Reels, Shorts, and TikTok.
  • Thumbnail — The static preview image that represents a video in feeds, search results, and channel pages — the single biggest driver of CTR.
  • CTA — Call-to-action — an explicit instruction telling the viewer what to do next (follow, comment, click, subscribe, save).
  • Watch time — The total cumulative minutes viewers spent watching a video — YouTube’s primary ranking signal for long-form content.
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