Ever get tired of telling your units to attack an SCV constructing a building and then the SCV moves and your unit forgets?
Introducing: The multiple shift-click attack super-combo move!
How it is done: It's simple! Just take your unit and shift click the SCV repeatedly, so that when the SCV moves while constructing the structure, your melee unit will follow it instead of stopping!
Why it is important: For bunker rush situations, you don't have to stop and tell your Drone/Zergling to keep attacking the SCV when he moves around the bunker, just spam a few shift-clicks on him and they'll keep chasing it!
You'll know if you did it right if the game draws a red attack line from your unit to the SCV, so you can leave your unit alone and go back to your micro and macro!