Billionaire Henry Kravis built his fortune buying businesses, getting them into fighting shape, and then selling them, but just showing up with a big check is not the secret to his success.

FORBES: KKR's Henry Kravis: 'Any Fool Can Buy A Company'

"The fact that I can shape my hair in any form I want, and that people turn heads to check me out, makes me feel confident, " says one devotee of the camel hump from the United Arab Emirates.

WSJ: Young Women's Elaborate, High-Rise 'Camel Hump' Hairstyles Turn Heads in Dubai Malls

As with any exercise, if you're out of shape, have had back injuries in the past, or have a history of heart disease, check with your doctor before tackling that snowdrift.

CNN: Shoveling snow? How to protect your back (and your heart)