am dao gia: The Good, the Bad, and the Ugly
https://www.slideserve.com/g0wingr262/17-reasons-why-you-should-ignore-m-o-gi-powerpoint-ppt-presentation
A scientific study at McGill College was performed on penis sensations and ability in circumcised and uncircumcised Adult men. The final results have been afterwards released during the Journal of Sexual Medicine.