Personalize Your Sensation! The Air-Tech Twist allows you to customize the tightness to suit your liking! Modify the sensation from firm to relaxed using a special compression mechanism, to design your own Air-Tech adventure. Simply twist the knob at the top to adjust the tightness. Krepšelyje are 5 levels! – Tickle: Bumpy nubs for powerful stimulation. – Ripple: Soft waves for heightened pleasure. All-in-one Air-Tech cup for a personalized sensory experience like never before.