Bought this as a precursor to fisting.
This certainly opens and stretches you at your own pace.
I am also now considering purchasing the small cone too.
It is heavy enough that it does not run away from you during play, and firm enough to support you as ride and slide.
Certainly gets the job done.The benefits of this product are it is a smooth silicon finish, a good water based gel lube holds on though.
The drawbacks of this product are , none i have found yet.
This product stood out from the rest because of its size, and weight.
I hope you consider purchasing this, sure it may seem expensive, but i promise you it will be money well spent, good is not usually cheap.