Arella - Octopus-Shaped Vibro Penis Trainer. Arella is the perfect solution for for men seeking a completely new experience — for themselves and their partner. Crafted from velvety-soft material, this trainer is shaped like an octopus, offering unique pleasure. The standout feature is its intricately grooved inner texture, designed to provide precise stimulation even during rapid up-and-down movements. Arella boasts 12 thrilling vibration modes and can be easily recharged using the included USB cable.