Not dissimilar from a golf ball is Amy Williams' skeleton bobsleigh helmet.
However, since the helmet enters the air the same orientation all the time, and does not have to withstand repeated beatings from a golf club, the designers have fitted much more efficient flow-trip devices in the form of vortex-generators.
Controversial as it may be, the results speak for themselves.
WINTER OLYMPICS 2010: Green light for Amy Williams as protest is given cold shoulder | Mail Online