Allison Sparrow posted this video on the right way to do vibrato, as opposed to a wrong one she also demonstrated quite poorly.

What is the name of this "wrong" technique? Asking on reddit gave me few answers, but it seems to be a common trap students fall into on their way to learning vibrato.

At best, it is an imitation of the vibrato sound, but since it doesn't make it in any of the 3 standard ways in which vibrato is done, it isn't considered "vibrato", but the effect is still made.

What is the name of this technique?

Allison Sparrow posted this video on the right way to do vibrato, as opposed to a wrong one she also demonstrated quite poorly.

What is the name of this "wrong" technique? Asking on reddit gave me few answers, but it seems to be a common trap students fall into on their way to learning vibrato.

At best, it is an imitation of the vibrato sound, but since it doesn't make it in any of the 3 standard ways in which vibrato is done, it isn't considered "vibrato", but the effect is still made.

What is the name of this technique?