RKE Active Member Dec 24, 2018 224 226 43 Apr 9, 2021 #1 Forgive my ignorance, but anyone know what the rubber ring on these packs are for?
Lungpopper GLASS,GLASS,GLASS Staff member Mar 2, 2011 7,016 4,632 113 Lakeside schoutdoors.com Apr 9, 2021 #2 Keep your bladder tube in a position that it is easily accessible