It was placed atop either wood piles, cribbing, or submerged bags of concrete. Sitting on the sidelines, cribbing and moaning is a lost opportunity. Boredom, stress, habit and addiction are all possible causes of cribbing and wind-sucking. In several studies, Thoroughbreds consistently have the greatest prevalence of cribbing compared to other breeds. They are also used as cribbing for docks and boathouses. The major factors that cause cribbing include stress, stable management, genetic and gastrointestinal irritability. This makes it more difficult for a horse to contract the larynx and exhibit cribbing. Cribbing is often performed as part of lifting/lowering operations. Subassemblies that have been disconnected are supported by cribbing until reassembly. Several methods have been devised to prevent cribbing once the behavior has started. A series of jacks is used and then wood cribbing temporarily supports the structure. There are a number of traditional devices used to minimize or prevent cribbing and wind-sucking. Even on concrete, cribbing is often preferred. A box crib is the simplest, most stable and most common method of "cribbing". Meaning that cribbing did not provide comfort for ulcers, rather that it stimulated/caused this issue.