I believe in the future some of these will be a more common sight and maybe a big trend. People do it to shock, to create body art or/and to express theirselfes.
Bagel Heads, weird Japanese bodymodification trend
Micro dermal Implant: Is a form of piercing where there is placed an anchor underneath and a jewelry to screw inside the anchor on top. This is something I probably could do If done simple like the flowers, I think It looks good.
Transdermal Piecing – Spikes
Scrotal implant, jewerly or silicone placed underneath the skin.
Eyeball piercing, that must really hurt. And it amazing it does not irritate the eye.
Eyeball Tattooing. It has actually been practised for 2000 years! Many people have gone blind at the attempt of this procedure.
Tooth sharpening and tounge splitting
Tooth cap and coloring.
Different kinds of Body modification, 15/10/13
http://en.wikipedia.org/wiki/Body_modification and the links within