Blood play goes hand in hand with needle play, knife play, and edge play. It is also referred to as Vampirism as well. Some have said that blood drinking offers a natural high. A euphoric physical affect. In the BDSM world, when a Master drinks his slaves blood, it is as if He is taking his slaves soul into him. It has been called a very erotic experience.
Common places to drink from include the neck, inner thighs, arms, and breasts.
With blood play, you run into so many risks! Cutting too deep, infection, passing on diseases! So, get tested and have a general idea of human anatomy. be smart about it!
Above all.... SAFE, SANE, and CONSENSUAL!!