chaff, chafe

Chaff or chaff means the husks of grain, separated during threshing--
"...and gather the wheat into his garner, but he will burn up the chaff..."
Farmers once had threshing parties, and neighbors helped them separate the grain from the chaff.

Chaff also means to mock or to tease--
Watch, she will chaff him about that new tie.

Chafe or chafe means to irritate by rubbing, or to rub against in a way that annoys--
That coat will chafe your neck if you don't wear a scarf.
The rain was cold, and their wet clothes were beginning to chafe.

Now that you know that, you can say--
"He helped to bundle the chaff, until the work gloves started to chafe his hands."