Possible Clues:

• Having continuous luck playing craps?
• Having some luck working with a cob
• Where toilet paper may be found, having a run of good luck
• Where one may find sesame seeds, if having a lot of luck?
• Winning like crazy
• Cooking
• Enjoying sustained success
• Where one may hear old pianist that's regularly successful
• Registered as thus far unbeaten competitor?
• Cheese and tomato arranged this way for lunch ¿ for a long time it's being successful