an apparatus is disclosed for mounting or dismounting a device on a mounting surface , for example , the mounting surface of a rail , a molded clip or the like . the apparatus includes a body . to accommodate attachment of the apparatus to the rail , at least a portion of the body can be movably positioned adjacent to the mounting surface . the apparatus also includes a locating feature connected with the body . the locating feature includes a first position that maintains a position of the body during a manufacturing operation and a second position that allows the body to move between an open position and a closed position , for example , after the manufacturing operation has been completed .