Weapons that can be used in Tai Chi include the jian, a straight double-edged sword practiced as taijijian, the dao, a heavier curved saber sometimes called a broadsword, the tieshan, a folding fan also called shan and practiced as taijishan, the gun, a 2 meter long wooden staff practiced as taijigun, and the qiang, a 2 meter long spear or a 4 meter long lance. More exotic weapons include the large dadao and podao sabres, the ji, or halberd, the cane, the sheng biao, or rope dart, the sanjiegun, or three sectional staff, the feng huo lun, or wind and fire wheels, the lasso, the whip, chain whip and steel whip.