Nobody knows, but most likely just health 'tools' scam. People mostly advertised it as 'healing frequency therapy' but there's no empirical data about what it actually contributes to. In human, continuous exposure to certain frequency does increase the speed of wound healing or fracture healing, but your guess is as good as mine for these tuning forks just passed momentarily above the pet's head.
Nobody knows, but most likely just health 'tools' scam. People mostly advertised it as 'healing frequency therapy' but there's no empirical data about what it actually contributes to. In human, continuous exposure to certain frequency does increase the speed of wound healing or fracture healing, but your guess is as good as mine for these tuning forks just passed momentarily above the pet's head.