Originally Posted by
Pup
Just a little food for thought.
Rather than hang your jigs from the rack, why not stand them up from a T formed from a sheet of aluminum foil? I secure my heads in these T-stands with paper clips. Granted, these may not hold as many jigs as your rack rows and require a roll of foil. But, they might save you an additional step if you fill your oven with these.
I've found that for my method of painting heads, gravity takes over and pulls the paint/coating downward. This method might be worth the effort in order to save yourself from any additional finishing step(s).