had a call today , blocked toilet. so first tryed a mop in the toilet, no movement! opend the manhole, totally clear. tapped the soilstack , felt totally blocked solid, and one joint was leaking! so tried to rod from manhole , but there was a bend before it reacked the foot of stack. so simply i failed becasue rods fould not go aroud corner, what do you guys use? i have drain rods with the spiral bit and a plunger, but no wheel! are they any good? if so what for?