It's not necessarily encouraged to cook frozen blue crabs without having thawing them initially, as this will likely end in uneven cooking and have an effect on the general style and texture. To take in king crab legs, basically have a set of kitchen shears and Reduce down the leg https://atlantic-salmon-red-lobst79123.humor-blog.com/31908124/not-known-details-about-how-to-cook-frozen-snow-crabs