I really did not know where to post this, but I found an awesome kickstarter project.

Everykey is an innovative universal access device for everything that requires a physical key or password. The Everykey wristband is an attractive Bluetooth enabled band that allows immediate access to a users password-protected electronics such as a smartphone, tablet, or computer, as well as physically locked items including doors, car doors, bike locks, and other controlled access devices.

Check out the link here for more info:

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