In both form and function the Asus Zenbook UX305 ultrabook is as good or better than the MacBook Air. The UX305 also costs $200 less than the entry-level 11-inch MacBook Air, and $600 less than a similarly equipped 13-inch MacBook Air.
What you can do. 1  If a callus is causing you pain or aggravation, you need to scrape away some of those dead cells so the callus wonât put so much pressure on your nerves. Immediately after a warm shower or bath, when your skin is wet and softened, rub a pumice stone on the callus to remove dead cells.
Calluses are hard, rough areas of skin that are often yellowish in colour. Calluses are larger than corns and don't have such a well-defined edge. As callused skin is thick, it's often less sensitive to touch than the surrounding skin. Calluses develop when the skin rubs against something, such as a bone, a shoe or the ground.