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We finished attaching the piston and the bottom plate to both the grabber protypes. We halfway finished the second grabber. The first grabber is kind of attached to the 80-20 towers. We tested the first grabbber with the pneumatics. It worked but we suspect there are some problems w/either the hole that the piston and the pneumatics attach to (cause' some air could be escaping) or w/the piston itself. 

- Trying to get the correct parts to attach the piston to the back plate and the other pneumatics (we just don't have the right parts, we're making do w/what we have)

- Keeping the piston parellel to the grabber arms, b/c we attached sort of attached it crookedly and there have been leaking problems w/the piston. 

- Attaching the grabber to the tower (the holes on the C-channels are not big enough to put the screws through to the tower and we noticed that after we attached it....sorry) 

Continue working on the grabber prototype. 

Sure