One player is the feeder with three other players standing at an equal distance in front of them.
The feeder begins by moving along the line in order, throwing a normal pass to each player for them to run onto and return as quickly as possible.
As the drill progresses the feeder can choose their player who they want to pass to - thus keeping all the receiving players on their toes.
They can also vary their passing technique. If the feeder passes to a player using a bounce pass for instance that player must pass back using the same passing technique.
As the Lions tour approaches with their first tour game this Friday against Argentina, we look ahead at what the fans can expect to see from both sides as the tour in Australia approaches...
Introducing the Sportplan FootballBot. Your new coaching partner that has all the answers to the questions you may have...
Introducing the Sportplan RugbyBot. Your new coaching new coaching partner that has all the answers to the questions you may have...