A cover feed-through (B), for a head-restraint rod (5) of a head restraint for a vehicle seat, is configured as a one-piece self-securing guide element (1). The guide element has a closed upper face (2) and a lower face (4) which is spaced from the upper face by a passage (3). The lower face (4) has at least one opening (4.1) substantially in the form of a segment of a circle. A vehicle seat is also provided, including a cover (8) and a head-restraint which can be arranged in a cover feed-through (B).