Re: Practicing with Ultra Small Moutpiece affecting my technique on other mouthpieces I believe that is an unfair and unhelpful assessment. There are some fine players use Kellys with success (Bobby Shew, for one), as there are some that use Schilke 6a4a's (Bill Chase). The thing is, as others may have mentioned, they are meant as specialization mouthpieces. In order to use them properly, you must have developed good playing skills, same as any other mouthpiece of its kind, and as Rowuk kindly suggests, you must have a plan. "Better" is extremely subjective IMO.