Pay $3.50 on a $3 bet is not full odds. $3.60 on a $3.00 place bet on the 6 or 8 would be full odds.

However, I know what you mean. The Shoes will pay the house odds of 7 to 6 on less than a $6 (or multiples of $6) bet.

I take full odds to mean correct odds not ouse odds.