A guy in my bowling league told me my backswing was 'all arm, no legs' and I finally get it
I've been stuck at a 148 average since March and figured it was just my ball, but he watched two frames and said my legs do nothing on the approach. Started doing a 3 step slide drill in my hallway at home and picked up 31 pins over my average last Tuesday. Anyone else had a sport tip from a random stranger that actually stuck?