God I read this so long ago but assuming Bob is the guy accused of beating the white guy's wife, I think the book lets the reader know that he's left handed through Atticus's demonstration when Atticus threw something at Ewell and he caught it with his left hand. Atticus then asks why he didn't catch it with his right and then Ewell says he hurt it when he was younger.
In the beginning the reason is for none at all
Called the "Diamond Anniversary"
Answer:
She sees that the stranger has thrown her chrysanthemum sprouts onto the road.
Explanation: