When feeling seriously threatened, what action does the tarantula take using its hind legs?

Answer

Kicking irritating bristles off its abdomen

When startled into a threat posture, the spider uses its hind legs specifically to kick urticating bristles toward the perceived danger.

When feeling seriously threatened, what action does the tarantula take using its hind legs?
spidertarantulapettemperamentMexican fireleg