When I finally decided to give up religion, I threw in the cowl.
When I finally decided to give up frowning, I threw in the scowl.
When I finally decided to give up spelling, I threw in the vowel.
When I finally decided to give up poetry, I threw in the Howl.
When I finally decided to give up carpentry, I threw in the dowel.
When I finally decided to give up gardening, I threw in the trowel.