Joe,

Something you may want to keep in mind on the banjo is that most banjos are made for 3 finger picking style. They have metal pots and a back on them. While you can play claw hammer style on them, the sound is more harsh than you would typically want.

Banjos that are made specifically for claw hammer usually have wooden pots and an open back.

This video may help.

"How to Choose a Banjo Style and a Banjo"

https://www.youtube.com/watch?v=bHCQHlZJom0

Bob
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http://soundcloud.com/bobcflatpicke/music-in-the-mountains