Ahhена Waiting for thewhich Press cast Talent Oh, that's a quiet one, isn't it? The F is a cognate to the V, the unvoiced, fructive, labiodental, operative to lower lip just like the V. Now feel the V, then turn off the voice and continue in a whisper. What you have left is the F. No breath stream escaping. Feel a gentle, smooth, airless sensation. Now sustain the F in these words. Knife, leaf, half, finger, elephant. Laugh, off, telephone, fire, roof. And the F in these sentences. I used a knife to cut the leaf in half. I used a knife to cut the leaf in half. When she touched her finger to the elephant, I had to laugh. When she touched her finger to the elephant, I had to laugh. I got off the telephone fast when I saw the fire on the roof. I got off the telephone fast when I saw the fire on the roof.