This is a video that show how to create your own custom carbon fiber grips. You can make these in any shape or size. Just a note, the video talks about 4cc of epoxy, it is 4cc of resin and 4cc of hardener, same with the 3cc. Here are links that I do not get paid on:
Soller composites
https://www.sollercomposites.com/CarbonSleeves.html?gclid=CjwKCAjwtYXmBRAOEiwAYsyl3ISkdoNYEzjq1Pdvj4UAH--e1g79poCPz36V_JmU3yyt4UDbQNXQcBoCcfcQAvD_BwE