A few rigs finished

Tight rope rig (just the rope):

https://docs.google.com/file/d/0B_IqaAragbK8R19qWWQxSEFTc1U/edit?usp=sharing

Ball rig:

https://docs.google.com/file/d/0B_IqaAragbK8U3RLUjJqczhZZnM/edit?usp=sharing

Popcorn bag rig:

https://docs.google.com/file/d/0B_IqaAragbK8SEMyRjQ5WlFpcU0/edit?usp=sharing