hi there! newbie bowler here

nak tanya sedikit, how to adjust the wrist guard in a proper way? im using a revcon now, which level that i need to cup my wrist and angle my wrist left or right for beginner?? using this device because my wrist always break when im releasing the ball, using 14lbs ball currently.

its hard for me to get a consistent release sometimes it hits the pocket, sometimes hook too early, sometimes into the gutter any tips??

is it normal that my thumb joint (near the palm, joint that connect thumb to palm,haha) feel painful? after 4 games terus "bengkak" and swelling, and last for few days. Because drilling problem ke, i need to drill to make bevel a bit?

sorry, questions from beginner