It depends on my key ring, but lots. Frequently I have two key rings at once. My daily key ring has car keys, house keys, tool box keys, workshop keys, and parents house keys (multiple bitings), while ...

In its early days, the Swiss Army Knife's keyring was meant to connect the multi-tool with your keys, which most people always have on-hand when they're out and about. In fact, there was a time in ...