The best way to do this is to buy the Ultra Heat Treated or UHT wrinkle paint from Supercheap or Bursons. Then after preparing the lockdown bar or other piece, simply apply heat using a heat gun and once hot apply the wrinkle UHT paint. This will give you as good as professional results!

Dad's eyes lit up when I read this to him. Printing it out for him and he's off to buy the supplies.