This ebay seller has some extraordinary clip-ins, but the shipping could be better though. I sent them a message after 1.5 weeks threatening i would leave some very negative feedback. But the hair is human hair and people will not notice it not your own.
http://stores.ebay.com/WICKED-WARES-Human-Hair-Extensions_W0QQssPageNameZstrkQ3amefsQ3amesstQQtZk m
Fifi