There are several reasons for towing when sea kayaking:
In an emergency situation the best towing method is the one that gets the paddler away from the source of danger quickly.
About Towing Single line tow Assisted tow 'V' Tow Safety Common Mistakes
The 'V' tow is another tow regularly used on Club paddles.
A 'V' tow is similar to a straight-line tow, but two paddlers tow, creating a 'V' formation in the tow-lines. The load is shared by two paddlers, making the towing less tiring.