I've heard it was good, but I want to know what
type of vanishes it can do? Could this be used
for a fingertip vanish?

I don't really like this, you have a ton of setup and it isn't very comfortable having it on for a long time unless you shirt is thick. The vanishes are pretty visual and your hands are empty at the end. But for all the set-up, I'd use my raven instead, the vanish is even more visual with the raven and the set-up isn't as bad. One more thing, you need to wear a watch with lightning coin vanish. No, the coin doesn't go under the watch or anywhere near the watch. You'll never guess the method unless you've seen it before. I'm sure that he just stole it and renamed it. I'd give it a 7/10. Some people might use it but I prefer the raven.