LynnBlakeGolf Forums - View Single Post - Ball Deformation Thread: Ball Deformation View Single Post #9 11-05-2009, 11:30 AM EdZ Lynn Blake Certified Instructor Join Date: Jan 2005 Location: West Linn, OR Posts: 1,645 Originally Posted by Daryl Interesting. I've been reading about this lately and it seems the agreement is under normal dry conditions, that groove design isn't significant. I can see how roughing the face would add friction, but I'm not convinced that Roll-up is the complete answer. I would think you don't have to have roll up per se, just 'grip' to transfer energy into spin. You might only be using one or two grooves on any given shot for that grip, but I'd have to say grooves matter! __________________ "Support the On Plane Swinging Force in Balance" "we have no friends, we have no enemies, we have only teachers" Simplicity buffs, see 5-0, 1-L, 2-0 A and B 10-2-B, 4-D, 6B-1D, 6-B-3-0-1, 6-C-1, 6-E-2 EdZ View Public Profile Send a private message to EdZ Find all posts by EdZ