Abstract: A self-attaching linking device comprises a U-shaped loop member having a first and a second end, each connected respectively to a first and a second end of a base member, and the base member includes means for closing the linking device securably and easily releasably. One embodiment encompasses a flat base member having a central portion adapted to hold swivelably a cooperating hook member or further securing device. The ends of the base member are integral with the loop member. In another embodiment, the flat base member is swivelably attached to the first end of the loop member and releasably cooperating with the second end of the loop member in securably closing the linking device.