DIY ProjectsFood Storage & Skills Vacuum Seal a Mason Jar with a Handcrank Pump – Food Storage SHTF Survival Prep By Melissa Francis - January 24, 2013 0 165 FacebookTwitterPinterestWhatsApp Really nice video showing how to vacum seal food in jars using an auto vacum pump and wide mout jar sealer. This is a great way to seal and store dehydrated foods or grains like rice, flour and beans.    Â