Another descriptive word Lisa is: - Goad

The goad -A long stick with a pointed end used for prodding animals. It is a traditional farming implement, used to spur or guide an animal, usually oxen, which are pulling a plough or a cart. It is a type of cattle prod.

goad as a noun
Something that incites especially a violent response: incitation, incitement, instigation, provocation, stimulus, trigger.
goad as a verb
To stir to action or feeling: egg on, excite, foment, galvanize, impel, incite, inflame, inspire, instigate, motivate, move, pique, prod, prompt, propel, provoke, set off, spur, stimulate, touch off, trigger, work up.