when you say "sending your request" who is it exactly you are sending your request too.Sorry I abandoned this thread a bit. It'll help to describe the mechanics a bit.
Consider the salt a conductor, the medium through which you are sending your request. The blood is your identifier and touching it to the salt with intent is what makes the connection.
Magic isn't difficult to do, it's one of the most natural things in the world. As it becomes more widely known, it'll become clear that most magic spells are less complicated than the cooking instructions on a box of Easy Mac.
The powerful and elite have hidden magic behind secretive rituals and claims of impossibility, yet they use magic all the time. They're utter hypocrites and it's time someone leveled the playing field.