Add all ingredients to a large mixing bowl. Gently fold together to combine. Cover and refrigerate for 1 hour.
ASIAN GINGER CHOW MEIN SLAW:
In a small bowl, add all ingredients except chow mein noodles. Whisk to combine. Add chow mein noodles to the glaze and toss to coat.
SPICY SRIRACHA MAYO:
Add all ingredients to a medium bowl. Whisk to combine. Cover and refrigerate.
FOR SANDWICH ASSEMBLY:
Heat a skillet to medium-high heat, butter sourdough rolls and toast until golden brown. To assemble the sandwich, add 1/4 cup lettuce and 1 scoop lobster and shrimp filling. Top with Asian ginger chow mein slaw and drizzle with spicy sriracha mayo.