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Interesting about zipper flippers - just had a quick Google, but they haven't been used since '71. Did they move gradually, or was it an open closed state?On sin, how would ball cradling be affected during flipper position movement? (could do with a sketch of your idea for visualisation).Also, how would the widest flipper location affect flipper passing? Would you get a bad bounce of the slings?
Interesting about zipper flippers - just had a quick Google, but they haven't been used since '71. Did they move gradually, or was it an open closed state?
On sin, how would ball cradling be affected during flipper position movement? (could do with a sketch of your idea for visualisation).
Also, how would the widest flipper location affect flipper passing? Would you get a bad bounce of the slings?
