sentences:  Also rare for the time was the Troopers' willingness to allow girls into the brass and percussion sections of the corps.And, in order to help cover the expenses of their touring, the corps' buses were accompanied by the "Sheep Wagon", a trailer set up to look like a small covered wagon that sold souvenirs of the Troopers' visits to the contests in which they competed.Another Troopers innovation was the move away from strictly linear drill; they introduced a circular drill element, the "Sunburst" which still draws enthusiastic crowd approval.