Mechanical Chalk PencilThe chalk pencil is indispensable for marking pattern lines: darts, placement of trouser and baggy (African) trouser pockets, frill placement it enables to demarcate the cutting and folding areas. Its easy handling will enable you to make very precise, and more intent tracings than with a traditional tailor's chalk. You can also sharpen the lead with a pencil sharpener and thus adapt the thickness of your line according to your markings. Always do a