6buses Crack ~upd~ Crack ~upd~ed

It is a "sibilance" and "plosive" workout. The transition from the "s" in six to the "b" in buses , followed by the hard "k" sounds in crack and cracked , requires precise tongue and lip movement.

From that day on, the "Cracked Six" were kept in the town museum as a reminder that even the strongest things have a breaking point when the frost gets too deep. Why is this phrase used? 6buses crack cracked