While the ball is touching the ring of the basket on a field-goal attempt, B1 grasps the ring when there is no threat of injury.
This is a double infraction and both acts are penalized. It is both basket interference and a technical foul. The moment the hand touched the ring, it was basket interference. When the player grasped the ring, a technical foul occurred. Award two points to Team A, followed by two free throws and a division line throw-in.
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