OK
greyhound racing
favorite 
ba € 2
put stakes 2 min before the end
close all green or red .15 sec
maximum lay odds 4
Scalping for Green1 tick
REFRESH the market every .15 sec
 
1 lay € 2 stakes example 3.5
  then put more 4 lays down the odds
2   lay  3:45 2€
3   lay  3:40 2€
4   lay  3:35 2€
5   lay  3.3   2€
  increasingly REFRESH delete lays, unrequited, and puts new ace lays current odds