Plenty of foreskin nibbling throughout the scene. Talk too - at 3:10 she bunches his foreskin up at the tip and says “Mmm, lot of foreskin to play with”.
They have a lot of blowjob videos where they deliberately begin with him soft or at least not fully erect. In this one he even warns her to stop jiggling her titties otherwise she won’t be putting a soft dick in her mouth.
