Combine in mixing bowl flour, salt, soda, brown sugar, and oats; mix together. Cut in butter until crumbly. Reserve 1 c; press remaining mixture in bottom of greased 8x8 pan.
Bake at 350 for 10 minutes.
Remove the pan from the oven, sprinkle with chocolate chips and pour caramel evenly over the top. Top with reserved crumb mixture.
Bake at 350 for 12-15 minutes, until delicately browned.
Combine caramels and cream in the top of a double boiler; cook over boiling water until caramels melt. Blend in 2 Tbsp cream.
Spread carefully over base.