> no blocking in rugby or aussie leages afaik There's something analogous in Australian football (https://en.wikipedia.org/wiki/Shepherding_(Australian_rules_f

> no blocking in rugby or aussie leages afaik There's something analogous in Australian football (https://en.wikipedia.org/wiki/Shepherding_(Australian_rules_football) https://en.wikipedia.org/wiki/Shepherding_(Australian_rules_...). It's not supposed to involve head contact, but concussions and whiplash injuries do happen.