Floating Stimulus Particles. New Sense Insert Hole Appeared! TENGA crysta with a myriad of parts suspended in clear gel by a newly developed insert manufacturing method. The hard parts scattered around change the stimulus by changing the gripping location and strength. Please enjoy a new tactile grip action that discovers new pleasure every time you use it. Leaf Pleasant wave of leaf edge changing smoothly! Ball Unpredictable click ball pleasure motion! Block Pleasure impact by omnidirectional hard block!