 They also capture bystanders.There is documentary evidence of an 'Oss at Penzance in the late 19th century, made with a caped stick and skull, which has formed the basis of the Penglaz 'Obby 'Oss that appears during the Golowan festival and the Montol Festival, both modern revivals; the skull 'oss is strikingly similar to the Mari Lwyd in Wales associated with the pre-Christian deity Rhiannon, known as Epona the horse goddess in continental Celtic cultures, passing into festive folklore as 'the Old Grey Mare' in neighbouring parts of Britain e.g.Dartmoor (Widecombe Fair (song)), Dorset (The Grey Mare and her Colts), as well as the Soultide mummers' horses of Cheshire.