Block and tackle respectively) whereas the Luff tackle and Gyn tackle have mis-matched blocks with differing numbers of pulleys. A block and tackle is characterized by the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load. Its mechanical advantage is the number of parts of the rope that act on the load. The mechanical advantage of a tackle dictates how much easier it is to haul or lift the load. If frictional losses are neglected, the mechanical advantage of a block and tackle is equal to the number of parts
Rope-a-dope power of welterweight titlist Miguel Cotto in their November 2009 fight. Pacquiao followed the rope-a-dope with a knockdown. Nicolino Locche, Argentine boxer nicknamed "El Intocable" (The Untouchable), used this technique extensively throughout his career. He would get against the ropes and dodge nearly every single punch until his opponent would tire, then he would take him down with combinations. "Irish" Micky Ward utilized this strategy during many of the fights in the later part of his career. Ward would wait for his opponent to become fatigued and would hit with either a left hook to the body or any number