The bottles are available in 4 - or 7 - ounce sizes with narrow necks or 4 - or 9 - ounce sizes with wide necks in a variety of colors. (thespruce.com)
This shield fits with narrow neck bottle sets. (pumpables.co)
The Albany Bulb is a magical almost - island about the size of Alcatraz connected to the East Bay mainland by a long, narrow neck of rubble. (eventbrite.com)