be reduced in size through the ladder lock thereby extending the rear strap and extending the harness size in an alternative embodiment to the above the rear loops may be threaded through an aperture or apertures in the seat back and retained in place to further reduce the harness size optionally depending on the design of the harness the lower strap region of the shoulder straps below the front loops may also be threaded through the lower attachment points away from the seat working area to further reduce the harness size it a yet further configuration the crotch strap may also thread into the lower portion of the seat to further reduce the harness size conversely to the above the lower strap region of the shoulder straps below the front loops may also be threaded through the lower attachment points to the seat working area to further increase the harness size it a yet further configuration the crotch strap may also thread into the working area of the seat and out of the lower portion of the seat to further increase the harness size also as noted above the harness has the advantage of being able to be adjusted to suit the shoulder height of the child as noted above the shoulder attachment points for the harness may include a bracket at.