She seems to be wearing a harness with two independent straps. Each strap has a stirrup for a foot on one end and is somehow wrapped around the pole on the other end. And she is able to alternate her weight between each leg...weight on left leg while she moves the right strap down on the pole, etc.
THEN-GOV CLINTON AND HILLARY
HONOR CONFEDERACY W/ SPECIAL DAY
and Arkansas Confederate flag
HILLARY CAMPAIGN PIN--for sale on ebay