21. Unless watched like a hawk, guys purchase Big Bertha metal woods and end up getting Big Mama quite angry. 22. The company sent him a new bag, which just said " Callaway Big Bertha Metal Woods " on it. 23. Gilbert said, referring to the oversized metal woods and drivers produced with spectacular success by the Callaway Golf Co. 24. In a counterclaim, Callaway alleged Wood Arts had been selling metal woods that infringed on one of its patents. 25. The problem with a metal wood is that there is a higher center of gravity on the club head. 26. The USGA granted a 10-year grace period to all King Cobra metal woods , meaning they are legal for tournament play. 27. Modern metal woods , such as our Big Bertha models, have been regularly and routinely approved by the USGA when submitted. 28. He said 1.3 million sets of irons will be sold in the United States this year and 6.5 million metal woods . 29. "I think it's a big mistake to lengthen it, " said Callaway's Dick Helmstetter, who invented the Big Bertha metal woods . 30. The company estimates that more than 7 million people around the world are playing with Big Bertha metal woods and irons.
