Hiking Aid is a term used to describe the items that are necessary for a successful and safe hike. The three most common items are a MAP, a STAFF, and a KNAPSACK. A MAP is a three letter word that is used to help hikers find their way around unfamiliar terrain. A STAFF is a five letter word that is used to provide stability and balance while walking on uneven terrain. A KNAPSACK is an eight letter word that is used to carry supplies and equipment during a hike.