Not seen this one posted anywhere.
http://www.cameroncooke.com/?p=15
For those who don't want to click the link...
1. In Finder - Go > Go to Folder
2. /Volumes/
3. Drag the little folder from the title bar to the Dock.
http://www.cameroncooke.com/?p=15

For those who don't want to click the link...
1. In Finder - Go > Go to Folder
2. /Volumes/
3. Drag the little folder from the title bar to the Dock.