A new lift gives you several things to learn at once: setup, movement, equipment handling, and how the exercise fits your program. Keep the first sessions focused on those tasks. The number on the bar should support learning rather than turn the exercise into an immediate strength test.
Get the movement explained
Use qualified instruction to understand the exercise and any necessary safety arrangements. Ask how to begin, what a controlled repetition should look like, and how to finish. Short online clips may omit those details. Make sure the variation is appropriate for your experience and the equipment available before treating it as part of your regular routine.
Practice a repeatable version
Start with a manageable demand that lets you pay attention to the intended movement. Change one detail at a time when receiving feedback. Avoid chasing the appearance of an experienced lifter whose setup may not suit you. Stop if the exercise causes pain and seek appropriate guidance rather than trying to solve it by adding effort.
Keep early notes useful
Write the cue or adjustment that helped and record the variation accurately. Your first entries establish a starting point, not a standard you must beat every visit. Progress the task according to the program and your ability to repeat it with control. Learning the lift well makes later training easier to interpret and organize.