what are these tools for???

[37ccmflyte]

what are these tools for??? Any ideas? they came in a job lot of bicycle tools...

 

[handyandy1100]

Getting money out of your wallet for more bike parts?

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[handyandy1100]

Just a guess, but the top one looks like it may be some kind of frame/fork spreader.

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[MattiThundrrr]

Device a looks like a way to cold set the rear triangles...
Device b looks like...pliers. I got nothing