The idea is to really work the jelly into the scales which will suffocate the mites by cutting off their access to oxygen
A summary of the above process, in case the photos made it hard to read
OPTION 1: Soak, Oil, Vaseline 1) soak the feet and legs in warm water 2) dry with a towel, gently exfoliating any dead, loose scales
Scaly Leg Mites: Whenever I handle a bird I look at its legs and feet
You can get the concentrate or the premixed spray
The idea here is to suffocate the mites