clearance for passage of electrical cords extending from the rear of the housing 120 as described below the support structure 130 is secured to the base 170 by a female threaded collar 178 that holds a flanged end of the lowest pole 132 against a corresponding male threaded post not visible extending upwardly from the base 170 in fig8 the cross arm 210 is shown in a vertical or u201c unused u201d position having been rotated 90 degrees from the horizontal or u201c in use u201d position of fig7 in the unused position there is less possibility of the cross arm 210 undesirably interfering with a user or with other apparatus fig9 shows an upper part of the housing 120 including a plastic sleeve 142 on the lower part of the conduit 140 where it meets the housing 120 an electrical cord 144 passes through a lateral opening of the sleeve 142 and extends along the length of the conduit 140 to the handle 190 fig7 within the conduit 140 the electrical cord 144 is disposed between an inner flexible hose member of the conduit 140 not shown an a woven outer sheath of the conduit 140 visible in fig9 the electrical cord 144 provides electrical current to a heating element in the handle.