Arts and Entertainment How do you use a corkscrew can opener? What can I use if I don't have a can opener? If you need to open a can but you don't have a can opener, you can use a spoon instead. Hold the spoon's handle and place the tip of the spoon into the groove on top of the can. Press down firmly and move the spoon back and forth along the groove. Related Posts:How long does it take to cook a tri tip on a barbecue?How do you explain the spoon theory?How To Use an Oxo Can OpenerWhat are spoons for with serrated edges?