We are not sure how this works but these beer can coolers are exactly what you need to limit spills--for traditional cans but comes with rubber insert to be used with slim cans.
Our innovative directional suction cup technology allows the SUCKER to
stick to any smooth surface simply by setting it down. From a lack of cup holders
on a rocking boat to wagging dog tails, this product will keep your drink upright,
accident-free, and icy cold.
-Double wall vacuum insulation will keep your drinks cold until the last sip.
-Made with with high-grade stainless steel, making them puncture & rust resistant.
-Removable rubber locking gasket to securely keep your can in place.