The prepositional phrase comes at the end of the sentence: in one hand.
Here, the preposition is "in" and the entire prepositional phrase is "in one hand." This phrase is describing the location of the rattle.
A participle is a verbal ending in -ing(present)or -ed,-en, ,that functions as an adjective, modifying a noun or pronoun
Unintentional notice or do something
Yes he is a god and dosent know it