Cassidy Schaub demonstrates two handed delivery (back). Pick up some bowling tips and tricks to improve your game, whether you are a beginner or a competitive bowler in a bowling league. Learn the form for two-handed delivery with this bowling video. These bowling tutorials are brought to you by USBC, United Stated Bowling Congress. Search USBC on WonderHowTo for more bowling tutorials. From the USBC website: "USBC is the national governing body for bowling as recognized by the United States Olympic Committee." If you are looking or a bowling how to, you've come to the right place. USBC is the authority on American bowling.