Whats the best way to Polish Taillights?

i’m pretty sure i read a DYI thread on here a couple months back…whoever did the thread did more than buff…like wet sanding etc… they looked brand new when they were done

edit: http://www.nyspeed.com/forums/showthread.php?t=13322

this isnt what i remember, but i believe it was somewhat the same process…hope this helps