Angelina
For my twin,it is,at least.
Fatherof3
I think it depends on each person.
I don't know the brand,as I don't know where my parents have bought it...But these devices are often similar.
Max9 It's judt difiicult to find that becajde your penis can vary its size thw longer you are locked
Maybe it works well for my twin,as he doesn't stay locked in it for a very long time,so?