Advantages Of Quick Release Keychain: Small Size, Strong Weight Capacity, Can Hold Up To 20 Lbs. Has A Locking Button Which Ensures That The Keychain Will Not Be Accidentally Separated, Keeping Your Keys Safe. Usage Scenario: If You Have More Than One Car At Home Or Your Family Needs To Share A Car: You Can Quickly Change Your Car Keys With Your Family Without Having To Remove The Car Keys From The Key Ring. If You Like Fishing: You Can Use It To Quickly Connect/Disconnect The Fishing Tools You Carry With You. If You Like Running Or Exercising: You Only Need To Carry Your Apartment Key To Quickly Remove Unwanted Bulky Car Keys Or Other Things. Its Annoying To Walk Around With A Bunch Of Keys Rattling Around In Your Pocket. If You Need Car Repair Or Valet Parking: Our Keychain Connector Can Separate Your Car Key Fob From Your House Keys For Car Service And Valet Parking. If You Often Forget Things When You Go Out: You Dont Have To Turn Off Your Car, Just Remove Your Household Keys And Youre Back In The House. If You Dont Like A Long Set Of Keys Hanging From Your Cars Ignition: Just Use Our Quick Release Detachable Connector And You Wont Have This Problem, And Its Easier To Operate Your Vehicle.