This link may help you in the future..

When a Phillips is not a Phillips!
http://www.instructables.com/id/When_a_Phillips_is_not_a_Phillips/

clutch screwdriver bits
http://www.google.com/search?hl=en&sugexp=ldymls&xhr=t&q=clutch+screwdriver+bits&cp=0&qe=Y2x1dGNoIHNjcmV3ZHJpdmVyIGJpdHM&q esig=KTEIDHO7Lru4yR1F-DUMNg&pkc=AFgZ2tnnQJmTHBXkk8WsIdtvpxJcuMXVATe1B8XbmwpNKvkltTZshXpnFZEMhWIebm0FU68rFzCnsbm8HkgMbenC5j Ogz5j7YQ&rls=com.microsoft:en-us&wrapid=tljp129662160350040&um=1&biw=1260&bih=859&ie=UTF-8&sa=N&tab=iw#q=clutch+screwdriver+bits&hl=en&sa=N&rls=com.microsoft:en-us&prmd=ivns&source=univ&tbs=shop:1&tbo=u&ei=POBITcuJApGugQeizPW5Bg&oi=product_result_group&ct=title &resnum=3&ved=0CE0QrQQwAg&biw=1260&bih=859&fp=bc23114adb1b26d7

Screw heads demystified
http://blog.makezine.com/archive/2008/12/screw-heads-demystified.html

TYPES OF HEADS
http://wisonscrew.com/product_spec.htm

File:Screw drive types 3.svg
http://commons.wikimedia.org/wiki/File:Screw_drive_types_3.svg

Types of Screwdriver Tips
http://www.popssurvivalguide.com/2009/12/types-of-screwdriver-tips/

Fascinating Fasteners
http://catasterist.com/2009/01/fascinating-fasteners/

Screw: Reference
http://www.thefullwiki.org/Screw


Screwed? Yes, we are... iPhone fits device with fixings that are almost impossible for you to remove
http://www.dailymail.co.uk/sciencetech/article-1349144/Apple-fits-iPhone-4-fixings-impossible-remove.html

'Not enough system choices.

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Vodka mixed with Milk of Magnesia. YUM!