However , since such lifting and turning is difficult to achieve consistently , many devices of dif ? erent types have been offered in efforts to help the bowler .
A lifting and turning of the ball as it is released is desired to accomplish this result .
Since such lifting and turning is difficult to achieve consistently , many devices of dif ? erent types have been offered in efforts to help the bowler .
A lifting and turning of the ball as it is released is desired to accomplish this result .