Either drill the hole first and use something like
Invalid Link Removed to flare it or you can use one of
these and do all in in one step.
What I did was drill the holes first and then use one of the second linked bits just in my hand to do the countersink. I was afraid of overdoing it so I went slowly. Was super easy as its plastic.
Would be cool for sure but I'm not in your area. They show your local location using either cookies or the GeoIP of your ISP.
Had a girlfriend from Hemet, takes me back...