The hands on his crest drew a low groan from the heli-former, the sound vibrating around the cord in his throat as the warm hands trigger various sensors hidden under the metal there.

He rewards the touch, pushing his fingers in deeper and deeper against the trembling squeeze of Brainstorm's calipers until he felt his fingtertips push up against the blazing nodes at the very end of the jet's valve. And then he keeps the pressure on it and pushes in even deeper until his knuckles slid against the lip of the smaller flier's valve, palm pressing Brainstorm's external node in rolling, grinding thrusts.

Spin starts humming around his friend's spike now too, sliding the length in and out of his intake in time with each grind of his palm, pausing now and again to swallow, heli engines purring a basso note.