there are two sets of pins - one set on the top, and one on the bottom, making 10 pins you need to pick.
These look like standard pins though, so matadore picks will pick it. follow the link which Chrispy gave you, and make some of your own out of hacksaw blades. the top pins look like you will need to be quite gentle because there is litle space between the sheer line, and their original positions. Doesn't seem too difficult - tell us how picking it goes
