diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1691 TILs and counting..._
+_1692 TILs and counting..._
 
 See some of the other learning resources I work on:
 
@@ -657,6 +657,7 @@ If you've learned something here, support my efforts writing daily TILs by
 
 - [Colocate jj And git Directories For Project](jj/colocate-jj-and-git-directories-for-project.md)
 - [Find System-wide Config File For User](jj/find-system-wide-config-file-for-user.md)
+- [Squash Changes Into Parent Commit Interactively](jj/squash-changes-into-parent-commit-interactively.md)
 
 ### jq
 
diff --git a/jj/squash-changes-into-parent-commit-interactively.md b/jj/squash-changes-into-parent-commit-interactively.md
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@@ -0,0 +1,31 @@
+# Squash Changes Into Parent Commit Interactively
+
+While I have some changes in progress as part of the working copy, I can squash
+them into the previous / parent commit with the `jj squash` command. Running
+that command as is will apply all the working copy changes to the parent leaving
+the current revision empty.
+
+I can also interactively squash those changes similar in spirit to how I might
+use `git add --patch` to stage and then amend specific changes into the previous
+commit with `git`. This can be done with [`jj`](https://github.com/jj-vcs/jj)
+using `squash` with the `-i` flag.
+
+```bash
+jj squash -i # or --interactive
+```
+
+This will open up a TUI where I can click around or use keys. Each file in the
+source revision (in my case, the working copy) will be listed. I can move the
+cursor between them hitting _space_ to toggle them in or out of the squash
+selection.
+
+I can also hit `f` over a given file to toggle _folding_. When folding is on, a
+diff of the file will be disclosed with checkboxes for toggling individual
+hunks and lines.
+
+Once I'm satisfied with my interactive selection, I can hit `c` to confirm and
+only the selected files and changes will be squashed into the parent.
+
+See `man jj-squash` for more details.
+
+[source](https://steveklabnik.github.io/jujutsu-tutorial/real-world-workflows/the-squash-workflow.html)