Most designs i have seen are simple. I came up with my own arrangement for a pineapple which shows the textured stitches better. The classic grape design crochet bottle cap trivet.
Using a 1.75mm crochet hook and size 3 cotton thread from my stash this is the motif that resulted. Cotton thread size 10 #6 steel crochet hook (or size needed for guage) 19 metal bottle caps (as found on glass coke. Ch2, dc2tog around, slip stitch in top of ch 2.
I’d imagine the metal can help keep your drink. They are quite quick and. If you have beer snobs or soda snobs in your household, or as.