A stick has a first tube member and a second tube member connected to each other in the length direction; and a connection member connected to one end portion of the second tube member, wherein the first tube member is selectively locked to or unlocked from the connection member, the second tube member is rotatably connected to the connection member. When the first tube member is locked to the connection member, the first tube member and the connection member are fixed to each other, and the second tube member is freely rotatable relative to the first tube member.