Suitable for dinghies or small keelboats. A flexible cable shackles to the sail and enters the boom through a wire block. Placing a block aft of the cleat allows the crew to pull from a variety of positions.

A simple external outhaul system. A cascade of two 2:1 tackles produces a 4:1 advantage.

This internal 4:1 outhaul is popular on small offshore boats.

An 6:1 internal outhaul system is popular on small to medium sized offshore boats using a traveler car to carry the clew of the mainsail.

Mainsails that furl into the mast are loose-footed and usually have a ball bearing outhaul car that rides the length of the boom. The outhaul starts at the car, leads through the clew block on the sail, back to the sheave on the car, and into the boom where it leads to a winch.

This simple 4:1 system leads aft to the cockpit. A favorite on small keelboats and daysailers.

The most basic cunningham is a self-cleating 4:1 tackle positioned at the mastbase. The cascade makes it 8:1.

This system is easy to adjust from the trapeze. It's easy to rig and unrig. Popular on smaller beach cats.

This simple 2:1 purchase is attached to a 6:1 cascade for a 12:1 system. Used on larger racing and cruising boats.

Small boats like J/24s use a double-ended genoa cunningham system to adjust draft from the weather rail.