I have been asked to make a Champagne bottle cake that stands up for a 50 wedding anny. I need help with making the top of the bottle. Any ideas? Can anyone give me the easies way to do this?

these two sites illustrate the process

http://www.ladycakes.com/bailey%27s_bottle.htm

go to mid page for this one:
http://members.nuvox.net/~zt.proicer/aolchats/980326ch.htm

and neck could be made out of shaped RKT (rice krispie treats)

Thank you, This may help!!