Penile Implants--Secret to Filipino Seamen's Sexcess?

Many Filipino sailors make small incisions in their penises and slide tiny plastic or stone balls--the size of M&M's--underneath the skin in order to enhance sexual pleasure for prostitutes and other women they encounter in port cities, especially in Rio de Janeiro, reports TheAtlantic.com. One of the researchers, University of California, Santa Cruz, labor sociologist Steve McKay, traveled extensively on container ships with Filipino crews in 2005 for his research on the masculine identity in the shipping market.