Eagle-eyed followers of the photos released from Melwood sessions each week will have noticed John Achterberg using a tackle bag to test the stoppers from crosses.
The work is designed to ensure Loris Karius and co can more comfortably deal with crowded penalty areas and pressure from long balls into the box, according to the boss.
“John Achterberg usually does it with his hands but it’s better to use something else!” said Klopp. “Of course that’s important. There are different things you have to do as a coach.
“First, as a ’keeper you have to learn the technique, then you have to adapt to the real circumstances – having six or seven players around you.