As you probably know, most urethral toys fall into two main categories: urethral sounds and penis plugs. These are by far the most popular devices made for urethral play.
These toys are specially designed to provide the best sensations so it is not surprising they are so popular among all fans of urethral stimulation.
Urethral Toys That are not Penis Plugs nor Sounds: Overview
Penis plugs are very diverse toys that can be designed for many different sensations while urethral sounds are typically modeled after real medical devices used for examinations. Both of these groups of toys are very popular and much loved among all those who like to practice urethral play.