How to teach the stand during march for fci obedience

How to teach the dog a secure and defined stand during march for fci obedience. I like that the stand is very defined and that the dog has a good understanding of the excercise. Training the dog for the stand in fci 3 is very important to me, since I find this exercise difficult. More dog content on FCI obedience on instagram @sirirenee :   / sirirenee