sentences:  It is also possible to insert a thin cardboard or wooden shim into the base of the neck pocket to increase the neck angle, resulting in a lower action.In mid-2007 Rondo introduced two variations on the standard SJM, one with 3 P-90 pickups, a 5 way switch and 2 tone controls (the same control arrangement as on the Fender Stratocaster).The output jack on this model is on the side of the guitar.