Somehow the thought of scratching has become arousing to Kurt. Even the sound of the word, when it was long and drawn out, with lots of breath, it's sexy, Kurt's always had a habit of making a fetish out of language though, and it was in the scratch of morning's stubble against sensitive, tender lips, and in the scratch of stress-bitten fingernails along the pale flesh of a lower abdomen, and in the confused scratch of Blaine's voice in the morning, that this particular fetish was born.