Some say I do..Lol and I have used everyone of them,except maybe 3.All for sale,except a couple of course.. Been buying,and collecting,trading,repairing(no longer)selling since 1988??Yes sir..old man here,and install still from time t time..basicly for friends, and myself.Doing a 05 Ford x-cab this coming wknd,and 2weeks,a single06 GMC,while redoing mine:naughty: