Great and secure way to separate house keys from car keys,
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This review is from: Victorinox Accessory - Quick Release Coupling with 2 Rings - Ref. 41835 (Electronics)
You know how annoying it is when you've just started the car engine and someone pipes up that they've left something in the house? This well made little gadget means this is no longer a frustration. It keeps the keys securely attached to the key ring until you want them to come off but makes separating keys from the main bunch very easy. It is strong and well made unlike some of the cheaper copies - don't risk losing your keys, buy this Victorinox accessory and only separate them when you want to.