> Irish tambourine?
> The second quotation under (a), "he shook his poet's poetic
> rod in the doorway of the town and the doorkeeper heard that
> sound" interestingly suggests that the "flesc" had moving parts,
> perhaps rings or bells, that would jingle or rattle.
I don't know if this is at all relevant, but the jingles on a tambourine are
officially called "zills".