The pencil “lead” is actually a mixture of graphite and clay. More clay in the mixture makes the lead harder. A harder lead has a higher number. Pencils are numbered from 1-3 but most people use a ...

Many suede brushes have a rubber side to them as well as a traditional soft brush, and having read that pencil erasers do a similar job, I thought I would give it a go. These suede trainers had ...