User blog comment:Xerinos/Amuro Ray- The White Unicorn/@comment-10958553-20130719210436/@comment-1489053-20130719212139

The Fin Funnels are for the most part not doing anything, but they're always attached to the Nu Gundam.

They're all used for the barrier, which I should add actually thanks for pointing that out, but once the barrier is done / Burst is used they return to their position on the model and don't do anything.

The only way to actually 'activate' them is with the Psychoframe Control. Once they're placed as turrets they autoattack with you and fire additional beam rifle shots when you do, there's no other way to place them down or activate them right now. Also at max, he can only place down 3 funnels.