How to plug an nouns mattress when the actual plug is missing!!!??? Any ideas how to bring back the air to stay? We...

Any ideas how to bring back the air to stay? We are up for final ditch efforts.
Is near a channel to remove marine rings...
Answers:    On my nouns mattress I had a larger compress plug.....I'm not sure if this is the type you are refering to , but I used the top of an windshield washer jug or something similar.It screwed on clearly.
Does 100% cotton rip efficiently?
duck tape works wonders!!