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.
You might have a callus on the bottom of your foot if you see any thick or rough areas of skin, if you have a hardened or raised bump or if you feel any tenderness or pain beneath your skin, according to the Mayo Clinic website. Callused skin also can be dry, flaky or waxy.