I'm interested, too. The cantina owner's drawl was as slow as ever, but it held a note of a whiplash.
I'm interested too. The cantina owner's drawl was usually slow, but it held a note of whiplash. 
mnli hypothesis: I'm interested too. The cantina owner's drawl was usually slow, but it held a note of whiplash.  premise: I'm interested, too. The cantina owner's drawl was as slow as ever, but it held a note of a whiplash.