The Premise. Lace-up sneakers can take awhile to get on and off. Some people are too lazy to untie their shoes and opt to slip their shoes on and off, but this creates friction at the back of the sneaker. Because of ...

The Premise. People use their smart phones all day and everyday because they’re convenient. They become inconvenient when the battery dies or when the memory becomes full. Because of this, it is necessary to keep ...