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Spread Blocks. Spread blocks block and spread two attacks aimed at the same target. For example, if the attack is twin punches to the face or a two-hand throat grab, a spread block uses two arms to come up between the two arms block them and spread them apart so neither reaches its target.
X Blocks. X blocks are blocks where two limbs are crossed in a X shape that catches and stops the attack in the V of the open end. It will be almost impossible for an attack to break through the block. For example, if the attack is a middle section front kick, a low X block may be used to trap and stop the kick.
Jam Blocks. Jam blocks trap a chambered attack and prevent it from firing. Examples are pinning an arm to opponent's chest with a palm block, using a side kick to the shin to prevent a chambered front kick from firing, or closing the range so closely that the opponent cannot punch or kick.
Leg Blocks. The legs may be used to block kicks. A leg may be chambered into a position where it blocks a kick and then fires a counter kick. For example, a side kick chamber may be used to block a side kick, and then fire its own side kick; or a waving check kick may be used to block a kick to the groin.
Knee Blocks. The knees may be used to block kicks and sometimes punches. A knee may be pulled into a high front kick chamber to block a kick or punch to the lower abdomen, and then the leg may be used to fire a counter kick.