Edgedancer discussion

In Way of King Dalinar talks ruminates on why shardplate and sharp blades for never used for anything more than just kill things. As demonstrated shardblades can morph into any kind of tool like sayyy a fork, personally what tool would you make your Shardblade?

I'd use mine as a key a shardkey you could say, because of the ability to change shape the key could then match and open any lock.