You can view the page at http://www.bushcraftuk.com/forum/content.php?r=529-11-Ways-A-Condom-Can-Save-Your-Life
Flavoured ones make a good alternative to chewing gum.
Ummm.... where do you get ones that are unlubed etc? Sainsburys and Google shopping came up empty.
Had a look at the ones that go into the fire sets, they are labeled as Ultrasound probe covers.