Bitts and Bollards are heavily built devices and are used for belaying lines. There are different types of Bitts such as single, double, H-Bitt, Cruciform Bitt and others. Bollards also may have a single post, double posts (either vertical or angled outward from center), Cruciform, staghorn, and many other styles. Sometimes Bollards are called Bitts and vice versa. Friction is necessary to keep lines attached to Bitts, Bollards, Cleats, Lines, or