The fear of squeaking while playing clarinet can escalate to the point that this fear becomes a roadblock in lessons and in one's musical growth.
It is true that squeaking is very undesirable in clarinet playing, but there are many worse impediments to fine musicianship, many of which may be perpetuated by fear of squeaking.
First of all, for beginners, squeaking is a natural part of getting used to the clarinet. For more advanced players, it is an embarrassing mishap. Here is a list for trouble shooting:
Why Did I Squeak?
The two most common reasons that one might squeak during playing the clarinet are: