It is up to the user to program it but at the same time depending what entity you are working with, which can include yourself. I now had never used them for ages, but touched one that is programmed before--Those they said had been blessed with power or enchantment but I had no problem with only using my keys as one. Of course, in a sense, since crystals can insert emotions, the better would be better. But too bad I had stopped without being able to figure the difference. I will find some cheap ones and give it a go and see.
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