Once the top is supported by the new catchers, the original bases release her feet and support under her lower legs. Legal transitional stunt. Therefore, a person standing with one foot resting on the bent leg of a person down on the floor is illegal.
Braids woven to rest on shoulders and to fall forward onto chest is illegal.
They need to be tied back. If all four bases are using their hands to support the flyer, the flyer must place her hands on one or more of the bases. See illustrations on page 39 of the Spirit Rules book. Therefore, three bases with two flyers, with a foot in each hand of two bases who are bracing each other is legal.