Bronc riding toward the rigging handle, spurring at each jump in rhythm with the motion of the horse. Bareback bronc riding began to develop as a professional rodeo sporting event around 1900. The riding equipment used during that era varied. In some cases, the rider simply held onto the horse's mane, called a mane-hold. Others held a loose or twisted rope tied around the horse's girth, and other methods involved using multiple handhold leather riggings based on a surcingle. In the early 1920s, when the old rodeo rules allowing two handed riding were being phased out and replaced with the newer rule
Tree girth measurement multi-trunk tree consisting of three separate trunks emerging from the same root mass that have grown together to form the massive base of the tree and therefore its girth cannot be fairly compared to those trees with just a single trunk. Many of the large girth baobabs may be multi-trunk clusters as well. The General Grant Tree (Sequoiadendron giganteum) in King’s Canyon National park in California is clearly a single trunk tree. It was measured to have a girth of measured at a height of . There are historical accounts of trees with extremely large girths. These should not be