clapper

kieli

läppä

taputtaja One who claps.
(senseid) An object so suspended inside a bell that it may hit the bell and cause it to ring.
A wooden mechanical device used as a scarecrow; bird-scaring rattle, a wind-rattle or a wind-clapper.
1896, Sabine Baring-Gould, Arminell, a social romance, Wikisource:Arminell, a social romance/Chapter 37|Ch. 37:

"Sir, sir! folks' tongues go like the clappers in the fields to drive away the blackbirds. A very little wind makes 'em rattle wonderfully."