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To the lineouts, I guess if you can get one of the Props helping Skelton throw a midsize Backrow in the air then on average you are at about the same height with arguably better motor skills receiving &/or quick delivery to the ground player.
Keep in mind Pocock was a jumping option at Wallaby level at times, around position 5-6 as I recall.
It's not just the height and vertical leap of the jumping player, it his skill in the air and the pillars working off... and the thrower probably more crucial in this selection...