In climbing, a piton (/ ˈ p iː t ɒ n /; also called a pin or peg) is a metal spike (usually steel) that is driven into a crack or seam in the climbing surface with a climbing hammer, and which acts as an anchor to either protect the climber against the consequences of a fall or to assist progress in aid climbing.
Indoor climbing is an increasingly popular form of rock climbing performed on artificial structures that attempt to mimic the experience of outdoor rock. The first indoor climbing gym in the U.S. and Canada was established in Seattle in 1987 under the name of Vertical Club, Inc.
Stainless Expansion Bolt with Fixed Hanger Cost: approx. $10 each with hanger. Expansion bolts are easy to place, strong and readily available. Mechanical bolts work by either expanding of compressing - gripping the rock by pressing against the wall of the bolt hole.