By A Mystery Man Writer
She has five crotch-grabbing techniques.
Australian Press Slam Rihanna Stage Show / Praise Beyonce's Live Singing - That Grape Juice
In the 'You Da One' Video, Rihanna Showcases Crotch-Grabbing Abilities
Slide Show - The Cut
Rihanna grabs crotch, smells fingers during Super Bowl halftime show
Rihanna launches Australian leg of Diamonds world tour in Perth
Rihanna grabs crotch during Super Bowl halftime show – New York Post
Love And War - The Cut
Concerts - The Cut
Rihanna at the Super Bowl: an analysis of society's reaction – The Observer