Which of the two, they are vastly different groups
Temple of Satan is some fairly unknown theistic group (at least last time I checked) so you do probably mean The Satanic Temple (typically called TST).
I haven't read much original material by JoS, and the last time was a couple of years ago when someone mentioned that at least their meditation instructions would be decent enough. But their bad reputation was quickly confirmed.
Yeah, I forgot the acronym was TST, lol. I don't talk or think about them much, so I guess it'd be easy to mix up the acronyms for ToS and TST, lol.
I didn't realize there was a "Temple of Satan" that was different to TST, the names are so similar but I clearly mean that antireligious political organization that just uses imagery for bland social activism (seriously, they could do far better).
Yes, JoS has various ritual and meditation practices, I haven't been compelled to try anything I've read though. As I said above though, from the several hundred pages of one of their books I read, I found it to be antitheistic, so I'm surprised to hear that they're apparently theistic satanists, it's strange to say the least.
edit, what I read was a compilation of around 500 pages of JoS's materials. It seems to get into demonology and stuff later on, so I can start to see where I was wrong now.