Among the many rings, it is often possible to spot the big trout by the way they rise and to focus on the right
area. Mind that the place where you have seen the ring, might be not exactly where the trout stations.
If the first casts are not successful,
it is worthy to place the fly in a radius of 5 or more meters from where the take of the insect was first detected.
In the picture a Naakajärvi trout, estimated 2.5 kilo, caught on a dry sedge and promptly released.