Improve your attention and concentration Keep running with 1 hand. When you are fully focused on thinking tasks, you can use Keychain Spinner to improve your attention and focus. Long turning time Using common spinning techniques (desk, finger spinning, etc.) can achieve a long spinning time of up to 5 minutes. The rotating key ring can rotate for 3 to 5 minutes. Thick materialUse of healthy and safe raw materials. The rotary key ring has no smell and is safe to use. Strong tenacity, not easy to break, strong and thick. Special Gift You can give the Spinning keychain to your family, friends or other loved ones on Halloween, Christmas, carnival, birthdays and Father's Day. Easy to carryThe Spinner keychain can be kept in the room, carried to school or used on a trip because it is compact and lightweight, which makes it comfortable to hold in the hand.