The paper presents various models of thin elastic curved rods and their joints. Such rods and their connections are important in applied research and have a long history. Nevertheless. the questions of mathematical research in the description of the procedure of transition from a multidimensional model to a one-dimensional one are not fully investigated. https://countryscenesaddleryandpetsuppliers.shop/product-category/stainless-steel-spur-with-1-band-and-9-point-rowel/