This was a staple of the WWE during both the Attitude Era and the Ruthless Aggression era. A chair shot to the head was the epitome of brutality; nothing said I dont like you like a metal chair cracking against your opponents head. WWEs pre-Concussion testing days are filled with instances of brutal chair shots: From the Rock hitting Mick Foley 11 times in an I Quit Match at the 1999 Royal Rumble; to Sabu throwing a chair at Rey Mysterios head at One Night Stand 2006; to The Undertaker cracking Shawn Michaels in the first Hell in a Cell match at Badd Blood 1997. The point is, chair shots were as dangerous to the wrestlers getting hit as they were exciting for the fans watching.The reason chair shots to the head were banned in WWE was because of the risk of head trauma. Despite the fact that the chairs are gimmicked, in the sense that theyre lighter and softer than real folding chairs and that theyre supposed to bend, they are still (somewhat) hard objects being swung at a wrestlers head. They can still cause a concussion, an injury that the WWE has become very careful about causing. In the above video, you can see Triple H hitting the Undertaker in the head with a chair, which is a flagrant violation of the WWEs internal policy. This was roughly two and a half years after the Concussion testing policy came into effect, and almost three years after the WWE went PG. As entertaining as it was, it should come as no surprise that the two of them were fined for that chair shot. Better to leave the chair shots for the back, then.