I ordered "2" of the cushioned grips for the control sticks and didn't know they came in packs of 2 each.....so I had 2 extra ones and just happened to think it would be nice to have one on the flap handle. Of course the flap handle is smaller than the control stick so I applied 2 strips...one on either side.....of some Scotch double sided tape I had onto the flap handle to make it fit the grip. I then left the paper on the outside except for about an inch on the upper part of the handle. It was a perfect fit and you can get it over that last inch and it will hold it just fine.

Also, when installing the grips on the control sticks, I just rubbed a little liquid dishwashing detergent directly onto the stick and inside the grip and they just slid right on with no problems at all.

Flap Handle grip.jpgScotch 2 sided tape.jpg