Rihanna was sitting on her security guard's shoulders last weekend at Coachella watching the show, when the craving for kush kicked in. But rather than dismount the giant she was riding, she decided to innovate and use his shiny bald head as a table so she could measure out some weed for a joint.

Rihanna was sitting on her security guard's shoulders last weekend at Coachella watching the show, when the craving for kush kicked in. But rather than dismount the giant she was riding, she decided to innovate and use his shiny bald head as a table so she could measure out some weed for a joint.

In related news, can we borrow your shaver?

Rihanna seems pretty pro at rolling J's, but everyone can use a little refresher of the basics. So, Rihanna, aka new best friend, if you see this, here's a few pointers you can use next time you use a man's cranium as a drug assembly platform: