IMO revert is the same as wrapped
again no it´s not. A back to revert is a backroll with a additional 180 landing toside. A back to wrapped is a backroll with a additional 360, landing heelside with your arm behind your back. Difference beteewn wrapped and blind is that a blind landing is toside with your arm/bar behind your back and wrapped then you land heelside with your arm/bar behind your back...
Everybody sais you need so much speed for the raily - well you´ll actually need less speed than most unhooked tricks like handlepasses... I would say - yes have some speed, than a lot of people mess up by going to far downwind when they unhook.... but if you think about unhooking and going downwind and poping as one single move - and just go for it right after you unhook - do not ride unhooked for long - it could help... Keep your kite low - to keep it there though out the whole move, keep your hands at the middle of the bar. Remember to trim your kite before trying... Many people try unhooked, and haven´t trimmed it first. The kite should be stable when you just unhook. You might need to pull in the depowerstrap a bit, for it to have the same tention on front and back lines. If you do this and just puch the board away from you and up in the air, you should be doing nice railys in no time
Hope this helped! Good luck and have fun!