A connector for connecting first and second parts of an apparatus, comprising: an inner region comprising a first anchor point on a first side thereof, the first anchor point being configured to connect the connector to the first part of the apparatus; two, or more, arms extending outward from an edge of the inner region, the arms being formed from a deformable material and configured to connect the connector to the second part of the apparatus; and the inner region further comprising a sliding surface on a second side thereof, opposite the first side, the sliding surface being configured to provide a low friction interface between the inner region and an opposing surface of the second part of the apparatus.