Related:

• Firemen do it wearing rubber.
• Spelunkers do it underground.
• SPELUNKERS do it in narrow dark place
• Do not read while operating a motor vehicle or heavy equipment.
• All the people are so happy now, their heads are caving in.
  I'm glad they are a snowman with protective rubber skin. -- They Might Be Gia...
• Topologists do it on rubber sheets.
• Q: What do you call a person who hacks while wearing no clothes? A: A gnudist.
• Well...hey, do you have any RUBBER WALRUS PROTECTORS?!?
• Picard: "I was not aware that Sarek was offended by Spock's opposition.
  Perrin: "*I* was offended. I made sure that Spock knew it....