Super Rugby's been forced to temporarily tweak its protocols around smart mouthguards following last weekend's confusion

A suspected Bluetooth issue in the Chiefs-Crusaders game in Hamilton forced players off the field several minutes after impacts occurred.

World Rugby is working to resolve the issues - with more testing to come.

From this weekend - starting tonight with the Blues against the Highlanders - until the issues are resolved, players will continue to wear the mouthguards but will now undergo a short check on the field before a doctor decides to pursue an HIA or not.

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