Is there a way to keep my chin from moving forward while have my upper incisors move back in instead? (Photos)

I have an overbite and my doctor instructed me to use rubber bands from my lower molar teeth to my upper incisors. My lower set of teeth just keep coming close to my upper incisors (closing the gap) and they seem to be protruding now too while my upper incisors don't seem to make any effort to move back--it does but only so little and besides, I don't feel any pressure around my upper incisors. I only feel pressure from my lower set of teeth.

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