Could not get the top on an opened can of soda. No matter how I pushed on the Bottle Top the can would start to collapse and the contents spilled but the Bottle Top would not snap on. After numerous tries finally got one to go on an unopened can and then had to use several tools to reach through the opening on the top to pull the pop top open. Soda did not stay carbonated once the can was opened and it was impossible to get the top off of the empty can. They claim the Bottle Top will fit most cans and can be used over and over. I tried the... read full review »