on Claw is the story about the life and times of Jack Adkisson, also known as pro wrestling legend Fritz Von Erich, and the famous Von Erich wrestling dynasty. "Not since the Kennedys of Massachusetts has an American family publicly suffered personal tragedy after personal tragedy like the Von Erichs of Denton County, Texas."

While the Kennedy family became famous worldwide for their political accomplishments and the tragedies of their sons, the Von Erich family became famous worldwide for their athletic accomplishments and the tragedies in their family.

Read how Fritz Von Erich and his five sons impacted the wrestling world with their family's show World Class Championship Wrestling, which at one time was syndicated in 66 U.S. television markets, Japan, Argentina, and the Middle East. The story, as told to Ron Mullinax by Jack Adkisson himself, follows his wrestling career and family tragedies beginning in the 1950s and continuing until his death in 1997.