SFS Standard Multi-Armed Grab [free-action] Feat 13

Source Galactic Ancestries pg. 137
Requirements You have a creature grappled or restrained using one or more active limbs.
You use all of your available limbs to hold on tight. You use your second pair of arms to hold on to the grabbed or restrained target. If you're in quadrupedal posture, you automatically Change Posture to bipedal as part of this action. The grabbed creature takes a –2 circumstance penalty to Escape being grabbed by you until the end of your next turn.

Traits

Izalguun:A creature with this trait is a member of the izalguun ancestry. They are large, six-limbed isolationist humanoids capable of adopting a bipedal or quadrupedal stance. An ability with this trait can be used or selected only by izalguuns.