CYCLIST gets down and begins to prop his bicycle.
CYCLIST: All right. If you're sure it won't take long.
BARBER: I am known for my lightning clippers. Even the soldiers know me. I can shave the head of an entire battalion between one coup and the next. Sit down and relax your back. Cycling is not easy
when you've abandoned it for some time.
Wole Soyinka, The Beautification of Area Boy.

The literary devices in the dialogue above are