Spearing is a tackling technique in which a player makes initial contact with the crown of their helmet by using their body as a spear.
Step-by-step explanation:
A penalty called when a defensive player makes a tackle that leads with the crown of his helmet into the offensive player.
A spear tackle is an illegal tackle in rugby union, rugby league and Australian rules football in which a player lifts another player into the air and drops them so that they land on their back, head or neck.
If the initial contact occurs at the top of the helmet, the tackle is illegal. Spearing is a 15-yard penalty against the defense and an automatic first down.
Clarifying the definition of spearing to be when a player uses the top of their helmet as the primary point of contact to deliver a blow to an opponent. Making the use of three or more wedge blockers on kicking plays illegal
An offensive player or a defensive player can be penalized for spear tackling.