as soon as his own Time Turner was locked down in the first place, acquiring access to another one would have been the highest priority by far, and surely within his means (given that other Time Turners are only controlled by fellow students).
Kawoomba appears to be talking about Harry getting himself a backup Time-Turner, not merely using one to send a message.
You misunderstand.
Kawoomba appears to be talking about Harry getting himself a backup Time-Turner, not merely using one to send a message.