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Abalakov thread
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<p>The Abalakov thread, also known as a V-thread, A-thread, or 0-thread (zero thread), is an <a href="/facts/Ice_climbing/l3D7AStD">ice protection</a> technique named after its inventor, Soviet climber <a href="/facts/Vitaly_Abalakov/41cgTqme">Vitaly Abalakov</a>. The Abalakov thread is a common method of protecting oneself while ice climbing because it is easy to create, does not require the sacrifice of expensive gear, and can be very safe when used properly. An Abalakov thread is often used in <a href="/facts/Multi-pitch_climbing/YS0sAYLX">multi-pitch</a> <a href="/facts/Ice_climbing/l3D7AStD">ice climbing</a> routes. Because of its safety and convenience, the Abalakov thread is considered one of the most significant innovations in ice climbing. It significantly expanded the scope of possible routes and <a href="/facts/Abseiling/3U4yL1ww">abseiling</a> safety. </p>