plastic rings

noun. usually a clear plastic used to combine six (6) aluminum drinking cans by the top. extremely useful yet commonly overlooked for having any value. also has a negative aspect related to littering, which threatens the environment (fish, small animals, ect.)

bro 1: yo hand me that six pack
bro 2: here bro 1 (grabs six pack by plastic rings and passes the six pack to bro 1)
bro 1: thanks bro 2