"For the record, any part of a player's hair that extends from the helmet is considered part of the uniform and is fair game for a tackler. It's known as the Ricky Williams rule for the running back who favored dreadlocks as his hairstyle. The NFL has instituted a new rule that prevents tacklers from collaring a ball carrier from behind, but that may be splitting hairs." - Pittsburgh Post-Gazzette
Pursuant to the "Ricky Rule," clarified and enacted in 2003, the hair is considered part of the uniform. It's fair game to tackle a guy by the hair.
Well, it depends if his scalp is sensitive, so pulling hair for some people can make then flinch really easy and falter in their movements I guess. Might be a penalty though. . . .
No you cant touch or grab the helment or the hair. the reason for that rule is to prevent neck injury.
ANSWER
This is the correct answer: It is legal. Here is an article from USA today in 2006.
http://www.usatoday.com/sports/football/nfl/2006-10-21-long-hair_x.htm
copy and paste to confirm it.
It is legal in the NFL so it is probably legal in college football.
Lawyrence Taylor (retired) is the best defensive tackle in the NFL.
It is classed as a tackle when a players knees hit the floor,it doesnt have to be both knees but as long as 1 knee hits the floor then it is a tackle.
That was defensive tackle Alan Page of the Minnesota Vikings in 1971.
tackle
NO!!!
1972 Joe Greene, Pittsburgh Steelers Defensive tackle
You cannot tackle another player with your helmet. You can in fact tackle another player leading with your helmet...the rule is that you cannot make helmet to helmet contact with another player. That being said it is unsafe to lead with your helmet in any situation due to injury probability, you risk neck and head injuries when you lead with your helmet.
1974 Joe Greene, Pittsburgh Steelers Defensive tackle
Ryan Diem, number 71 right tackle for the colts.
Tackle
1997 Dana Stubblefield, San Francisco 49ers Defensive tackle