Place half of the red onion rings on top of the lettuce.
Follow with half of the pickles.
Place two slices of the cheese on the pickles.
Add three slices of turkey breast on top.
Finish with half of the slices of avocado.
Place the other piece of bread on top. Secure the sandwich with a toothpick if you'd like. Repeat the same steps with the ingredients for the second sandwich and serve both.