Posted by a reviewer on Amazon

Your face is not a body builder use the lowest level possible first which is the light blue and pink then move your way up to the big blue one with the guard

Posted by a reviewer on Amazon

Some of you use this product like you use gym equipment and the same way you can hurt your muscles by incorrect use of gym equipment you can hurt yourself by misuse of this equipment

Posted by a reviewer on Amazon

Customer service is great and they will issue refund if you cut up product and send in foto of it within the warranty period

Posted by a reviewer on Amazon

Im sorry but i see this guy talking about how were supposed to chew in circular motion

Posted by a reviewer on Amazon

Who knows whats going on w these guys complaining

Posted by a reviewer on Amazon

That being said its funny again that guy said we are supposed to chew in a circular motion

Posted by a reviewer on Amazon

Eventually the chewing muscles almost create a flat 2 v like pull like a big v or v cylinder gripping all of the muscleswe see in full mastification anatomy pictures

Posted by a reviewer on Amazon

I have to admit the mouth guard version in my opinion is inferior to the newer version withoit strips and i wore through a few of those but i think it was from being left in the sun and lots of use not 3 dsys worth like this guy who can do multiplication problems can seem to do