0 Saturday Swing Tip: Peter Kostis…Control Your Speed Posted on August 29, 2015 by Jeff Skinner Related ArticlesSaturday Swing Tip: Hank Haney’s 100 Swings a DaySaturday Swing Tip: Butch Harmon, Finish Your SwingSaturday Swing Tip: Dave Pelz 3 Foot Putting DrillMasters Bonus: Listen to The Coolest Guy in GolfSaturday Swing Tip: Chip Like Phil Mickelson