Originally Posted by: icebreaker1588When I bend a string/note i tend to always use only the finger I have on that specific note to bend.

A few times after watching other people play on videos I've seen that most people use 2-3 fingers to bend.

Certain bends are fine to do with your index finger. Or with whatever finger is convenient. But quite often the best way to maintain control & hit the target pitch is to use more than one finger for strength & leverage.

Check out these lessons on how to learn & improve this technique.

https://www.guitartricks.com/lesson.php?input=14081
https://www.guitartricks.com/tutorial.php?input=1589
https://www.guitartricks.com/tutorial.php?input=1721
https://www.guitartricks.com/tutorial.php?input=754
https://www.guitartricks.com/tutorial.php?input=1614

Hope this helps!