I use a harness by OP Tech. It has elastic to keep it close to your chest but allow you yo raise it for shooting. Here I am using it with a Tamarac bag and my Canon G9, but it works well with my S2 DSLR also. I like to have the camera available immediately.
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Just because you don't take an interest in politics doesn't mean politics won't take an interest in you.... Pericles (430 B.C)