Oral airways-thats sorta a tricky one. as an alternative to ky, you can you antibiotic ointment (help save space and weight when doubling up or over packing, in some instances unless your comptent in your skill its probably not needed. One trick to pass on it you can use a safety pin to pin the tongue to the bottom lip to help secure an airway in emergent cases-this too saves space/weight when packing light.