Clutch

A deck fitting used to grip and hold a rope or line under load while allowing for controlled release when needed. 

A clutch is a specialised deck fitting commonly found on sailing yachts, designed to secure a line while still enabling it to be adjusted or released under tension. Unlike a simple cleat, which requires the line to be manually unwrapped for release, a clutch incorporates a cam or gripping mechanism that holds the line firmly in place but can be disengaged when necessary. This allows sailors to manage halyards, sheets, and control lines efficiently, often with a single-handed operation. 

Clutches are particularly useful in modern sailing setups where multiple lines are led back to the cockpit for ease of handling. They enable sailors to lock a line in place without needing to keep it on a winch, freeing up the winch for other tasks. When releasing a line from a clutch, it is advisable to do so gradually, especially under high load, to prevent sudden loss of tension and potential damage or injury. 

Most clutches are designed to accommodate a range of line diameters and are constructed from durable materials such as stainless steel and reinforced plastics to withstand the harsh marine environment. Regular maintenance, including rinsing with fresh water and checking for wear, ensures their continued reliability