The controversy over whether Trump did or did not mock a handicapped reporter is not substantiated or disproved by much evidence. Here is Trump talking about reporter who is handicapped.
Click here: Video: Is GOP presidential candidate Donald Trump mocking reporter with physical disability? | abc7chicago.com
Here is a video of reporter being interviewed.
https://youtu.be/lN_xYRgOm94
You decide in you think Trump was imitating the handicapped movements of the reporter.
Others who are familiar with Trump's speeches have said that it's his normal routine.
So, perhaps the Gimp Card was played with that knowledge...