Use 'pull at' when describing an action involving a light or continued tug, not a single strong pull.

Physical Action

'Pull at' suggests making a small adjustment to something, rather than a large change.

Minor Adjustment

'Pull at' can express a subtle, emotional tug that a person feels internally.

When used metaphorically, 'pull at' indicates that something is attempting to influence feelings.

Use this when someone is consuming a drink or smoke leisurely, enjoying it slowly.

It implies moderate, not heavy, consumption, often signaling thoughtfulness or relaxation.

'Pull at' suggests using steady force, without implying that the task is difficult.

It can imply a repeated action, done more than once or over time.