ring pull 
noun British
A ring on a can that is pulled to break the seal in order to open it.He retrieved the can and tugged off the ring pull....
- He popped the ring pull on his can.
- All their cans have got ring pulls.
- play lunch
- playmake
- playmaker
- playmaking
- playmate
- play material
- playmating
- play merry hell with
- play method
- playmobile
- play money
- play night
- playock
- play off
- play of words
- play on
- play one's ace
- play one's cards close to one's chest
- play one's cards right
- play one's cards right (or well)
- play oneself in
- play (or act) the fool
- play (or keep) one's cards close to one's chest (or vest)
- play (or play it) safe (or for safety)
- play (or raise) hob