I have seen people use some form of tape on their controllers. I was wondering is this a tape made for this? Wanting to improve the grip for a larger hand.

It's probably grip tape for a road bicycle. Google cork bar tape

Same tape that you can find for baseball bats and tennis racquets

I just got Sanwa Grip Tape off of Ebay. Easy to install, works great.

Purchase a tennis grip over rap. The prices range from 2-6 dollars for a three pack. Popular brands are gamma, head, Tourna-grip and Prince. Check out tenniswarehouse.com or ATSsports.com

Excellent. Thank you for the suggestions. Looks like a trip to the store. Has anyone used this and do you like it?

Here's one method of doing this:

https://projectrcblog.wordpress.com/...l-transmitter/