diff --git a/4.1-Extensions.md b/4.1-Extensions.md
index 6d6bb07..07f2ec6 100644
--- a/4.1-Extensions.md
+++ b/4.1-Extensions.md
@@ -21,6 +21,7 @@ These are all, where applicable, best configured to `deny-all` and whitelist.
 * [Smart Referer](https://addons.mozilla.org/firefox/addon/smart-referer/) <sup>✔ [Privacy](https://addons.mozilla.org/firefox/addon/smart-referer/privacy/)</sup> | [GitLab](https://gitlab.com/smart-referer/smart-referer) | [GitHub <sup>Archive</sup>](https://github.com/meh/smart-referer)
 * [Header Editor](https://addons.mozilla.org/firefox/addon/header-editor/) | [GitHub](https://github.com/FirefoxBar/HeaderEditor)
   * Allows you to run [Rules](https://github.com/ghacksuserjs/ghacks-user.js/wiki/4.2.4-Header-Editor) to modify headers such as blocking ETags
+  * :bulb: Use [ETag Stoppa](https://addons.mozilla.org/firefox/addon/etag-stoppa/) | [GitHub](https://github.com/claustromaniac/ETag-Stoppa) if you don't want a full-on header extension
 * [Neat URL](https://addons.mozilla.org/firefox/addon/neat-url/) <sup>✔ [Privacy](https://addons.mozilla.org/firefox/addon/neat-url/privacy/)</sup> | [GitHub](https://github.com/Smile4ever/firefoxaddons)
 * [Skip Redirect](https://addons.mozilla.org/firefox/addon/skip-redirect/) | [GitHub](https://github.com/sblask/webextension-skip-redirect)
 * [ClearURLs](https://addons.mozilla.org/firefox/addon/clearurls/) <sup>✔ Privacy (stated on AMO)</sup> | [GitLab](https://gitlab.com/KevinRoebert/ClearUrls) | [GitHub <sup>Archive</sup>](https://github.com/KevinRoebert/ClearUrls)