Board Thread:General Discussion/@comment-17931277-20131125145027/@comment-7087605-20131125201848

If you try to listen to Pearl's explanation under Steven's babbling, she says that when a shard possesses a piece of clothing, it starts out obedient, but eventually mutates into an aggressive monster, turning on its companions. I think we got the important bits and covered them well enough on the Gem Shards page.