Woman performs stunt over Niagara Falls

Erendira Wallenda performs a series of acrobatic maneuvers, including hanging by her teeth, while suspended from a helicopter above Niagara Falls in Niagara Falls, N.Y., Thursday, June 15, 2017. The aerialist wife of daredevil Nik Wallenda spent about eight minutes of the 10-minute stunt hovering over the falls. [Photo: AP/Bill Wippert]

Erendira Wallenda performs a series of acrobatic maneuvers, including hanging by her teeth, while suspended from a helicopter above Niagara Falls in Niagara Falls, N.Y., Thursday, June 15, 2017. The 36-year-old mother of three spent about eight minutes of the 10-minute stunt hovering over the falls. Thursday's performance came on the fifth anniversary of her husband, Nik Wallenda's televised high-wire walk over Niagara Falls. [Photo: AP/Bill Wippert]

Erendira Wallenda performs a series of acrobatic maneuvers, including hanging by her teeth, while suspended from a helicopter above Niagara Falls in Niagara Falls, N.Y., Thursday, June 15, 2017. The aerialist wife of daredevil Nik Wallenda spent about eight minutes of the 10-minute stunt hovering over the falls. [Photo: AP/Bill Wippert]

Erendira Wallenda performs a series of acrobatic maneuvers, including hanging by her teeth, while suspended from a helicopter above Niagara Falls in Niagara Falls, N.Y., Thursday, June 15, 2017. The aerialist wife of daredevil Nik Wallenda spent about eight minutes of the 10-minute stunt hovering over the falls. [Photo: AP/Bill Wippert]

Spectators watch as Erendira Wallenda performs a series of acrobatic maneuvers, including hanging by her teeth, while suspended from a helicopter above Niagara Falls in Niagara Falls, N.Y., Thursday, June 15, 2017. The aerialist wife of daredevil Nik Wallenda spent about eight minutes of the 10-minute stunt hovering over the falls. [Photo: AP/Bill Wippert]

Erendira Wallenda shows reporters the mouth guard she wore while dangling by her teeth from a helicopter as it hovered above Niagara Falls Wednesday, June 15, 2017. The wife of daredevil Nik Wallenda performed the stunt on Wednesday, June 14, 2017, the fifth anniversary of her husband's tightrope walk over Niagara Falls. She answered questions on the roof of the Seneca Niagara Casino parking garage in Niagara Falls, N.Y., where the helicopter that she was suspended from landed. [Photo: AP/Carolyn Thompson]

Erendira Wallenda shows reporters the mouth guard she wore while dangling by her teeth from a helicopter as it hovered above Niagara Falls Wednesday, June 15, 2017. The wife of daredevil Nik Wallenda performed the stunt on Wednesday, June 14, 2017, the fifth anniversary of her husband's tightrope walk over Niagara Falls. She answered questions on the roof of the Seneca Niagara Casino parking garage in Niagara Falls, N.Y., where the helicopter that she was suspended from landed. [Photo: AP/Carolyn Thompson]