Have this for keys on one side and an alarm fob on the other and/or an extra flash drive. It's great for that. It comes with a bulky, heavy chrome ring and clip to attach it to anything else. I was disappointed to see that the bulky metal parts could not be removed without cutting the strap sewn into the case. So I don't use it much. I also need them in the summer when I can manage without a coat and vest, so I limit myself to two trouser pockets.
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