Callaway discusses their Great Big Bertha design.This entry was posted in Callaway Golf clubfitting on February 3, 2015 by Jacques Intriere We’ve been optimizing launch conditions and “Leaving no yard behind” for over 16 years. Callaway’s new lineup of adjustability helps us to continue to squeeze out every yard. Share this:Share Share on LinkedIn (Opens in new window) LinkedIn Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email