diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,21 @@
 # tor-ctr
 
+This container with `NET_ADMIN` and `NET_RAW` privileges is fully inside the tor router that it spins up.
+
+Which is nice for itself, but then other container can link and use the network as well.
+
+Used the prior work of [tor-box](https://git.batts.cloud/vbatts/tor-box).
+
+## Example
+
+```shell
+cd tor-ctr/
+docker-compose up --build
+```
+
+Then from another shell:
+
+```shell
+docker run -it --rm --network=container:tor-ctr_tor_1 r.batts.cloud/debian:bookworm
+curl ip.batts.cloud/json
+```