Urethral Sounds

Urethral inserts, or sounds, are thin probes designed to be inserted into the shaft of the penis, stimulating it from the inside out. This practice can be a unique thrill, both physically and mentally.
Hegar 8 Urethral Sounds
Hegar Sound - 9 to 10 mm
Hegar Sound - 11 to 12 mm
Mortal Coil Sound