Stand side ways on the the ladder with right foot inside the 1st rung.
The player should then step with their left foot steps across in front of the right foot to the next rung, then the right foot steps to the the next rung and the left foot behind, all the way to the end.
As much as possible tell players to keep their head up.
Progression:
At the end of each ladder you could have a feeder with one ball who throws it to the player as they reach the end of their ladder - this would encourage players to keep their heads up and would also enable players to work on their touch and control.
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