You can download the UV Power Unwrap tools here:
thumb|500px|rightTo your right is an example of the UV Power Unwrap tools. Each tool is demonstrated well.
Below I will run through all the tools and options.
Set- sets the point that, when moved, will affect all other points.
Add- Adds a point to be set.
Delete- Deletes the current set point
Clear- Clears all set points
Select- Selects the set points.
More information will be added at a later time.