8.1 1-Level Snapdragon

8.2 2-Level Snapdragon

8.3 2-Level Non-Snapdragon

8.4 Advancer's Cuebid

8.5 Another Advancer Cuebid

8.6 Rosenkrantz

8.7 Double of Splinter

8.8 Double of 3NT Out of Nowhere

8.9 Late Double of 3NT

8.10 Lightner Double