What is the main goal of men that undergo surgical or non-surgical penis lengthening enlargements? There are literally 100's of differing opinions and techniques for penis enlargement and urology experts tend not to agree on a single methodology. Available for length is the surgical procedure that dissects the suspensory ligament from the pubic symphysis which makes the genitalia appear longer, however, the appendage is not actually increased in size. Men considering male enlargement surgery should consult with their physician before undergoing such a procedure. 

References: 

https://vimeo.com/312creative/portfolios/

https://uroweb.org/guideline/treatment-of-non-neurogenic-male-luts/#8

http://blogs.harvard.edu/vrm/

https://bionumbers.hms.harvard.edu/bionumber.aspx?id=114550