Three alternatives, among the many senses it could be:
It isn´t working because you don´t use it the right way. (I think of a "tool"
The bread isn´t raising because you didn´t do what you had to do, to use the right ammount of heat, fermentation etc.
To get the most of it, you should wear it in the right way. (I think of a Mizuno tennis, for example.)