Traction or simply put tension and resistance - Both apply constant tension to your
penis which over time cause your cell tissue to expand which makes your penis permanently longer and thicker. Dr Jorn Ege Siana MD who has studied surgical and non-surgical penis male enlargement since 1993 presented the results of his clinical study at the 1st International Interdisciplinary Symposium on Genitourinary Reconstructive Surgery held in Barcelona April 6th 7th 8th 1998.