Clamp help

We are trying to build a clamp basewd off this picture


as you can see its hard to tell whats on the top
if you have a better picture of a clamp or claw that we can build useing the starter kit or any other ideas please post

clamp bot.jpg

The driven axle has a 60-tooth gear on it, which is beside another 60 tooth gear with an axle. Farther down on both of these axles is a 12 tooth gear, beside a 36-tooth gear. The clamp plates are attached to this axle. Or you could buy a vexplorer claw…

The document Vex Machinations at this link has step-by-step building instructions for a project called the Animal Grabber which sounds along the lines of what you’re looking for.