Shaving is a production process for final thickness adjustment that can be done in wet phase such as in finishing stage. The machines are working on the flesh side of the hides/skins which remove the excess material and make uniform the thickness of hides/skins through the use of sharp blades mounted on a spiral rotating cylinders while the grain side faced the pressing roller . The constant sharpening of the blades is ensured by a mobile carriage of grinding wheels.