It definitely pushed some of the athletes I trained to the limit. It is the difference between a 24-in jump and a 30-in jump a 54 inch jump in a 60 inch jump. I actually have a few 6 in, and I wouldn't recommend buying that. Training and increments is definitely better for the athletes mentally and when they see what 6 in actually looks like it pushes them to get over that new height all the more. Forever Titan Fitness
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