The Switchkey is an automatic key fob made of aluminum. It comes with one key blank that you can take to most hardware stores for duplication. Grind the blank, assemble the parts and you’ll have a nifty spring action switch blade style key. The Switchkey is priced at $33, which includes free shipping.
Switchkey – Another Keychain Gadget You Don’t Need, But Will Want Anyway
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I got one of these –
They’re AWESOME!
Great gadget!! Love mine