Essentially, the bookies use tic-tac as a way of communicating between their staff and ensuring their odds are not vastly bet is placed with one bookmaker, this may be signalled to the others as a way of lowering the price on all the boards.
The bookies use tic-tac as a way of communicating between their staff and ensuring their odds are not vastly bet is placed with one bookmaker. This was essentially. This was what this may be signalled to the others as a way of lowering the price on all the boards.