I think Trump should make a lot of sudden movements with his hands.
A 10 second burst of a strobe light during the debate will be like an EMP to Hilary. If she freezes up on stage she won’t have her handler/medic standing by with the Diazepam pen to rescue her.
http://www.thegatewaypundit.com/2016/08/oh-hillary-handler-carries-diazepam-pen-seizures/