$24.89 plus shipping and handling from PrankPlace.com, LLC., 206 Murphy Road, Hartford, Conn. 06114, 800-901-1163, www.prankplace.com/ psychoshowercurtain.htm
Suggested by Peter Metrinko of Chantilly, Va.
This is the perfect companion to the scary grasping hand soap: a shower curtain with a shadow of the crazy Psycho stabbing lady (played by Martha Stewart). With these two products in place, no guest will even enter the guest bathroom. It's a hostess's dream come true!