But a sudden, sharp close of the airways by the epiglottis blocks
the access of the airflow, which causes the characteristic sound you can clearly hear.
Both the three - wheel Snap and four - wheel Snap4 feature large, roomy seats with built in support, full coverage canopies that protect children from all the elements and leave plenty
of room for them to grow,» Peek a Boo» windows and roll up pockets for extra
airflow, simple Clean Fold ™ technology, which folds the strollers inward to keep seats clean, adjustable 5 - point harnesses, pedicure - friendly Tilt - Loc brake systems, gate opening bumper bars, easy -
access, deep storage baskets and convenient carrying handles and shoulder straps.