diff --git a/README.md b/README.md
index 8d9563f..b97bc45 100644
--- a/README.md
+++ b/README.md
@@ -216,6 +216,11 @@ Notes:
 
 - Use `zless`, `zmore`, `zcat`, and `zgrep` to operate on compressed files.
 
+- Use `trickle` to simulate slow bandwidth. Here's how to run firefox, limiting up/down network traffic to 100 KB/s:
+```sh
+      trickle -s -u 100 -d 100 firefox
+```
+
 
 ## System debugging