If you’ve been following trends in the sex toy world, you’ve probably noticed that there are more products for prostate play than there used to be. Aneros paved the way with one of the first products specifically for that purpose, but you can trace this shift back to the 1998 how-to movie “Bend Over Boyfriend.” Momentum has been slow to build, but in the last few years, more and more prostate toys have been hitting the shelves. That means that increasing numbers of men are giving it a try, especially straight men. If you want to be able to sell your products to them, you need to know what hurdles they face.