Threats to our concentration include pressure, anxiety and lack of confidence. We need to adopt a positive attitude. Although heavily bunkered, believe the green is there to catch your ball. Your focus needs to be on the present. Forget past shots and future holes.
Poor golf relates to poor concentration.
You need to be able to avoid distraction. Callaway Rule 35 Ball 3. Faults and Fixes video 4. Ping Ally Series Putter 5.