It's mainly just a gimmick. People will pay out the butt for them just cause they don't always come around. Assuming they don't in your area.
As for substrate difference it's interesting. Some of them are flavored. Which can be a turn off since they do that to cover up RCs. But assuming it...
It has been some time since I accessed this forum. It was my first forum, I was raised by it. Formed by it.
I am sure many of you won't recall me, and I won't know you. But oh well =P
LSD will be around for a long time, the DEA hasn't successfully destroyed any drug. Much less one so popular.
You just gotta know how to sort through the bull =D You don't even NEED the DarkNet