Claw card, gripper

I found this designing on (http://www.instructables.com/id/Robotic-claw-business-card/) in this link you will find the steps for build de claw. check out the account of PenfoldPlant, he has things interesting and also check out in instructibles excelent webpage.

http://www.youtube.com/watch?v=DKB_Zk_26z0&feature=youtu.be