It's called cupping, or something like that. It supposedly draws all the bad things out of your body, much like a vacuum gets dirt out of your carpeting. Because obviously you can suck cancer cells of of your skin, big pharma has been hoping you wouldn't find out.
My name has a bit of background to it, and I am generally not a very snuggly person. I was also worried about spilling the secret on a hidden post, as sometimes half the fun is keeping the people who can't see it guessing. As far as that way of things is concerned you were both extraordinarily useful and I ruined everything.
Holy wow, I missed every reply after my reply about my username. I'd be completely NOT useful if a life depended upon succeeding at seeing replies. Sheesh. Deadpool gets all the stars for... being deadpool. :-)
it's used by Chinese to remove redundant vapour (harmful in ancient Chinese medical theories) from your body using atmospheric pressure, darker the area seems, more serious is the syndrome. Usually people get themselves cupped when their muscle feels sour, but mostly mid-aged people lah :)
It's supposed to help kind of like acupuncture. It actually doesn't really hurt. Kinda tickles. And it can be this dark/big of marks, it just depends on how long they're left on and if they're moved around or not :-)
The guy in the picture above was too long with them on the back, that's why the marks are so dark :)
This one is more normal way to put them :)
http://karousing.com/wp-content/uploads/2013/09/young-attractive-woman-receiving-cupping-acupuncture-treatment-in-hoi-an-vietnam-1600x10661-1024x677.jpg
The
Actual
HELL