The B Monster Onacup is a beast of a toy that you might just find addictive. No matter which of the two "monster" options you pick, their outer cup provides a comfortable and firm grip in your hand that your manhood will really appreciate. Yellow Mountain features a simpler, more curved tunnel, while Green Hell is more complex and twisting. You can also remove the inner sleeve to clean and dry properly, so it's ready for the next time.
The B Monster Onacup features: