PROBLEM TO BE SOLVED: To provide a fixture having a wide choice of fixation places compared to conventional piton or the like.SOLUTION: A piton 20 includes a twist coil spring 21, first and second rods 22A, 22B, a first surface contact part 23A extending from the tip of the first rod 22A, a second surface contact part 23B extending from the tip of the second rod 22B, a movable ring 25, and a grip 28 extending from the movable ring 25. The movable ring 25 can move along the first and second rods 22A, 22B. The twist coil spring 21 biases the first and second rods 22A, 22B to an open state while freely opening/closing the first and second rods.SELECTED DRAWING: Figure 2
