Tentacle GrinderThis unique suction cup toy features a flexible tentacle with dozens of rounded suckers and ribs along a curved shaft that ends in a gently rounded tip. The flexible grinding base, also covered in suckers, sticks securely wherever it's placed for hands free play even under water as its fully submersible. With five intensity levels for each vibration function, you can enjoy over 50 vibration combinations using the ergonomic remote control.