Cooldown Reduction?!?!?

So here i got my cooldown reduction +20 Magatama.
its supposed to reduce your skill cooldown right?
but why does the skill cooldown remains the same whether i used it or not?
is this thing not implemented yet or what?
its supposed to reduce your skill cooldown right?
but why does the skill cooldown remains the same whether i used it or not?
is this thing not implemented yet or what?