This is an extremely comfortable and effective stretch for your lats (latissimus dorsi) that can be done at home with nothing but a pullup bar. Stretch your
PVC/Bar Lat Bends (Lat tightening exercise)
Shoulder Mobilisation - Hanging Lat Stretch
The Mobility Project
IN DEPTH BODYWEIGHT EXERCISE TUTORIALS
How to Do Pull-ups Without a Bar (5 Pull-up Alternatives)
FLEXIBILITY, MOBILITY, STRETCHING
How many pull-ups should one be able to do in order to do a one armed pull-up? - Quora
AWESOME Shoulder + Lats Stretch by Antranik (good for posture and yoga)
How many pull-ups should one be able to do in order to do a one armed pull-up? - Quora
How to Do Pull-ups Without a Bar (5 Pull-up Alternatives)
Lat Pull Down Bar for Home Gym Fitness Cable Machine Attachment, Lat Pulldown Attachments, Straight Bar, Long Bar for Fitness (Long bar 1) : Sports & Outdoors