

How can I make a sealable vent hole in this gas can? I dont want to get a new one but this one sucks for pouring gas.
I have this old gas can that doesnt have a vent and I don't want to throw it away just because it's missing a tiny stupid vent hole. I know i can just buy a brand new gas can that comes with a vent for like $10 but it just seems like a waste. It takes forever to pour the gas out compared to the second picture one with the vent on the handle. I was thinking I could drill a hole in the handle then plug it with something when I store it, but I don't know what I can use. What would you guys suggest to plug the hole after I drill a vent hole that I won't lose?