Lukhan Salakaia-Loto has added to some spice to Saturday's Super Rugby State of Origin clash by joking he wants to "head high" Taniela Tupou.

Round Five of SMARTECH Super Rugby Pacific is Kids Round as the teams lock in their line-ups for the weekend's clash.

The Reds host the unbeaten Waratahs in a juicy marquee clash on Saturday night with Tom Lynagh back in the No.