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[AndyB]

There is always different ways of doing things and each works well.

For instance, last year, there were a variety of roller grabbers (ie 233), conventional claws (ie 1114), grabbers that grabbed over the tubes (ie 254) and even claws that grabbed on the outside of tubes (ie 1038).

All worked pretty well. It's not always necessarily the design as much as it is the execution.

[Urban Hawk]

what matters is not only how good some thing is but also what are you trying to accomplish with your robot. Some teams go for the hurdle... others keep it simple and don't try for it. So what works best depends on what your gonna do.