The letters of the first two answer words to this flat (ONE and TWO) can be interwoven to find the final answer word (ALL). 

I'll ONE his head,

Be TWO he's fed,

Then send that horse

To ALL, of course.

 

Answers:

 

PAT

SURE

PASTURE

 

Credit:

The Enigma

March, 2023

A. CHEMEM