I would stick with the Metal Militia guys theory, when working up in between reps, hold the weight locked out, elbows completely straight and I mean tight, maybe for 3 seconds, also do some rack lockouts, the stroke for these varies amongst folks but say you do a triple, unrack or take the weight up, hold for 3-5 seconds, drop and lockout, hold again and continue for a triple, this will help tremendously, did me anyways....