This timer is specific to the “Work The Dash and Take a Break” formula discussed at:
http://www.43folders.com/2005/10/11/procrastination-hack-1025/
The idea is to have a timer that will run for 10 minutes doing a task, then take a 2 minute break, and repeat 5 times, and you have 1 hour of work. This can be of great help for procrastinators who desperately want to find a way to keep focused on their work.