User blog comment:YourPrivateNightmare/A comprehensive guide on how to ARAM (Part 2)/@comment-5263329-20130510204110/@comment-9370016-20130511193526

Except you don't wait for the CD...You grab someone and kill them and then you push the enemy turret 4v5.

Also a blitz hook a lot of time baits the enemy team into trying to save the grabed person resolting in even more kills -> even more turret presure.