http://g7ejphhubv5idbbu3hb3wawrs5adw7tkx7yjabnf65xtzztgg4hcsqqd.onion/html/defcon-19/dc-19-faq.html
Other honorable mentions are: Blister
preventions, Band-aids, Gel shoe inserts, Personal cooling devices, Pain
relievers and antacids, Bottle openers, Personal voice recorders, water
filters, and last but not least an Alibi. This FAQ didn't answer my questions, or was unclear, how can I get
further information?