Thank you for your response!
You brought up a great point- Blue OX does allow 4", however, Roadmaster only allows 3". My receiver height is 27", & my Smart Car is only 12" high at tow bar level.
THIS TIME, I have a more difficult question. Does anyone know if I can "stack" 2 RV hitch High-low adapters; say a 10" to a 2", or would we be better off if I "stack" these in 2 equal high-low adapters, such as 2 - 6" drops, if this is something that I can even do?
If I can stack High-Low hitch adapters, using very strong locking barbell type pins, all will be solved. Oh all knowing ones, please answer my question.... Does this at least sound feasible???
I very much appreciate your help!