Dick Logue in his book “500 Low Sodium Recipes” suggest that you carry a small shaker with your favorite blend of sodium free spices. This will for sure enable you not to resort to salt shakers when eating out. You can also more confidently order dishes with specific instructions to go low on salt — because you will be able to add your own spices.
After much searching I found just the right shaker for this purpose. Small, flat, with two separate compartments so you can have two different blends of spices!
Strategies for lowering sodium intake.