An extension ladder is frequently used as scaffolding — that is, as a place to work rather than just a means of getting up there. Among the scaffolding options available, a ladder is one of the most versatile. But it is also one of the least stable and most difficult to work on. If you use a ladder for more than just climbing up and down, it's worth taking a look at a few accessories that can safely extend the use of your ladder. If the Shoe Fits... OSHA requires all manufactured extension ladders to have ladder shoes. There are two standard shoe types — hoop feet and swivel feet. Both have rubber soles to grip on smooth surfaces. I