Directions:Simply press down the plastic topper on the of your can and it will click into place. Cannular Snap On Can Carrier Holder For light transport in and out of fridges or on your way to a mates places for a bbq there is nothing better than these simple yet effective plastic carriers. This will work with all KegLand Cannular Compatible Cans, full aperture and wide mouth. Protect your precious canned cargo from dirt and liquid attacks!