I used MDF, and then coated it with osmo, I really like the way it turned out. (maybe not the best)
I created this bottle opener using on-tool CAD via Origin.
I made the handle shape with the pen tool, and then made a circle to match the size of the insert.
Here is a link to the bottle opener:
Stainless Steel Bottle Opener Insert DIY Kit (6) https://www.amazon.com/dp/B07HDFL4PB/ref=cm_sw_r_cp_api_i_XXCKCb2CC5CTJ