Assume a strong lifting position: core and glutes activated, shoulders braced, chest up, knees slightly flexed, and eyes fixed ahead.
Stand in front of a flat bench with a DB at your feet.
Stagger your feet
If rowing with your right arm, drop your right foot back (repeat for other side).
DB should be in front of your back foot.
Hinge/bend at the hips while maintaining strong core, braced shoulders, and neutral spine.
Maintain a slight knee bend and neutral neck position throughout the exercise.
Place your non-working hand on the bench and grip the DB with the other.
Grip with a neutral hand position.
YOUR ARM IS A LEVER FOR YOUR LATS.
Don't actively pull with your arms.
Use your lats to pull the DB up and around your body. The DB should be around your hip area at the top of the movement.
Don't pull the DB directly vertical or shrug your upper traps.
Hold at the top of the movement, feeling your lats contract.
Lower slowly on the same path
You can let the shoulder of the working arm roll forward slightly on the descent to create a stretch in the lats.
*Tips*
Your torso remains tight and in the same position from start to finish. Don't pull your torso up/back to move the weight. This takes tension of the lats.
Do not let your hips open up severely. This will alter the mechanics of the movement.
Don't drop the weight at the top of the movement.
If your biceps are exhausted after the set, you are not performing the exercise correctly. This means your lats are not firing.