Don't. #1 - It's illegal and they tend to be somewhat serious about that. #2 - Any major/reputable provider is going to be blocked. #3 - Any unknown provider

Don't. #1 - It's illegal and they tend to be somewhat serious about that. #2 - Any major/reputable provider is going to be blocked. #3 - Any unknown provider can't be trusted. #4 - A lot of the VPN's they allow to work are because they're tap'ing the traffic anyways.