I use a quarter coin held between thumb and index finger. Tap the edge of the coin lightly and note the sound. For orientation go outboard from the damaged area a foot or two for some test taps agains

Caution! I have seen this before as a scam. Sonia (1953-2020) & Rick

The elevator spring and sparrow strainer work together to establish a default for elevator deflection which is somewhere within the range of sustainable flight should either fail or elevator linkage f