> ## Documentation Index
> Fetch the complete documentation index at: https://hyperframes-canary-calibration-notes.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Squiggle Marks

> Hand-drawn squiggle underline, double-pass strikethrough, and bracket marks that draw on

<video className="w-full aspect-video rounded-xl object-cover bg-zinc-100 dark:bg-zinc-800" src="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/components/hw-underline.mp4" poster="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/components/hw-underline.png" autoPlay muted loop playsInline />

## Install

```bash Terminal theme={null}
npx hyperframes add hw-underline
```

That writes `compositions/components/hw-underline.html`, plus 1 supporting file under `assets/fonts/`.

## Paste it into your composition

Open `compositions/components/hw-underline.html` and copy what is inside into your own composition.

A component has no size or duration of its own. It takes both from the composition
you paste it into.

Tagged `handwritten` `annotation` `text-treatment`.

## Related topics

* [Browse the complete Catalog](/catalog)
* [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
* [Build a richer composition](/go-further)