A haboob (Arabic: ÙÙØ¨ÙØ¨ â habÅ«b blasting/drafting) is a type of intense dust storm carried on an atmospheric gravity current, also known as a Weather Front.Haboobs occur regularly in arid regions throughout the world. haboob approaches Taji, Iraq, in 2006. A haboob hits the South-East Valley, Gilbert, AZ, USA, on 5 July 2011, around 7 p.m., hiding San Tan Mountain completely.
applying a blood choke means locking the opponents neck in a restrictive manner to cut the blood flow from both the Perotid and Carotid arteries in the neck as philip has said. but with the links he's also provided, it should help fairly well.
A choke, with two 20 mH windings and rated to handle 2 A. In electronics, a choke is an inductor used to block higher-frequency alternating current (AC) in an electrical circuit, while passing lower-frequency or direct current (DC). A choke usually consists of a coil of insulated wire often wound on a magnetic core, although some consist of a doughnut-shaped bead of ferrite material strung on a wire.