26. A garment comprising a sensory textile device according to any one of claims 12 t o 25. 25. A sensory textile device according to any one of claims 22 to 24, wherein the sensory textile is configured to be positioned at a first location on a human body, and the spacer layer and conductive backing are configured to be positioned at a second location on the human body that moves past the first location during a movement of the human body, thereby to activate the sensory textile device. 24. A sensory textile device according to claim 22 or 23, wherein the conductive backing layer is Aluminium. 23. A sensory textile device according to claim 22, wherein the spacer layer is polytetrafluoroethylene (PTFE). 21. A sensory textile device according to any one of claims 12 to 20, wherein the sensory textile is formed by the method of any one of claims 1 t o 11. 20. A sensory textile device according to claim 19, wherein the series of arches are of progressively larger size. 19. A sensory textile device according to claim 18, comprising a single strip of the sensory textile, and said two or more arches form a series of arches along the strip. 18. A sensory textile device according to claim 14, wherein each of said two or more arches is of a different size to at least one other of said two or more arches. 17. A sensory textile device according to claim 14 or 15, being configured to be worn on a finger, the pairs of locations of one of said two or more arches being located on opposite sides of a knuckle of the finger and the pairs of locations of a different one of said two or more arches being located on opposite sides of a different knuckle of the finger. 22. A sensory textile device comprising: a sensory textile formed according to any one of claims 1 t o 11; a conductive backing layer; and a spacer layer disposed between the sensory textile and conductive backing layer.