If you march round Winkelbury Hill seven times, cursing all the time, the devil will appear on a white horse, and grant you a wish.
Kathleen Wiltshire heard this from a Michael Wheeler, who went to school in Salisbury in the 1940s. It’s printed in her ‘More Ghosts and Legends of the Wiltshire Countryside’. I don’t know if he’d tried it. Your success would be limited by how polite you are I suppose.
The Bords, in ‘Secret Country’, connect Winkelbury with tales of a hidden golden coffin.