In these cases, the cost of the finished leather hides rises considerably compared to other different kinds of cuts such as the "sides" (the raw whole skin simply divided in half before tanning) because there is much more waste and the various parts obtained from the subdivision must be worked with techniques and procedures different from one another. The shoulders and the butts are obtained from the "noble" parts of the whole cow or bull hides and they represent respectively the upper half (shoulder) and the lower half (double butt) of the whole animal, net of the lateral parts (bellies). When the skin is still in its raw form (usually after the slaughter phase the raw hides are put under the salt to guarantee the conservation), before being tanned, it is cut into different parts: the square shoulder and the double butts (or double bend), that have considerable dimensions and particularly regular shapes are the favourite materials for those that are looking for leather for belts. When it comes to choose the right leather for belt, there are many types of bovine leather that can lend themselves to this purpose, but given the length that is usually required (120-130cm for men's belts and 90-110cm for women's belts) it is it is preferable to use leather hides (whether thin or thick) with a regular and square shape. In particular, the belts for motorcyclists have thicknesses exceeding 4mm (10 oz.) and without the characteristics of vegetable tanning, which allows to obtain a greater swelling of the leather during tanning and a greater consistency, these thicknesses would be difficult to achieve. With the term leather for belt making, it is specifically meant to refer to vegetable tanned leather with a thickness of at least 3-3.5mm, which alone give a particular consistency without having to be joint with other materials. In theory, the leather for belts should also have a shape suitable for the purpose (square) but there are also cases in which irregular forms are also used due to aesthetic or functional requirements. Considered less natural but most durable.When we talk about leather for belts, we usually refer to leather of bovine origin, with a thickness high enough not to have to be joint with a lining or with a type of leather for internal thickness (for example crust or synthetic material) and such as to be able to give the belt a sufficient consistency. It's then given a plastic (clear sealant polymer) coating, permeable enough to allow the leather to breathe, yet enough to slow the absorption of liquids and substances. These hides are sanded down to remove natural marks, defects and scars and then embossed to reinstate the surface appearance and texture. Some suppliers may also emboss this leather to improve the grain presentation. The ' top grain' light sanding process minimally alters the surface to minimise hide imperfections. The top coat can lighten when stretched referred to as 'pull-up leather' (patina). Tanned and then top-coated to provide protection against staining and improve wear resilience. Only leather hides with the very fewest marks and scars are selected and so more expensive. This ' full grain' leather retains more character, is the most supple with a natural scent, grainy aesthetic and non-uniform appearance. Considered the most natural, dyed in the tanning process and sealed with natural oils and/or waxes but without any corrective or additional protection finishing.
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